diff --git a/lib/TrivialReporter.js b/lib/TrivialReporter.js
index e0e1589..8219d4a 100644
--- a/lib/TrivialReporter.js
+++ b/lib/TrivialReporter.js
@@ -89,9 +89,7 @@ jasmine.TrivialReporter.prototype.reportSpecResults = function(spec) {
   for (var i = 0; i < resultItems.length; i++) {
     var result = resultItems[i];
     if (result.passed && !result.passed()) {
-      var resultMessageDiv = this.createDom('div', {className: 'resultMessage fail'});
-      resultMessageDiv.innerHTML = result.message; // todo: lame; mend
-      specDiv.appendChild(resultMessageDiv);
+      specDiv.appendChild(this.createDom('div', {className: 'resultMessage fail'}, result.message));
       specDiv.appendChild(this.createDom('div', {className: 'stackTrace'}, result.trace.stack));
     }
   }
diff --git a/spec/suites/MatchersSpec.js b/spec/suites/MatchersSpec.js
index 156bc3b..4944727 100644
--- a/spec/suites/MatchersSpec.js
+++ b/spec/suites/MatchersSpec.js
@@ -8,7 +8,7 @@ describe("jasmine.Matchers", function() {
   });
 
   function match(value) {
-    return new jasmine.Matchers(env, value, mockSpec);
+    return new env.matchersClass(env, value, mockSpec);
   }
 
   it("toEqual with primitives, objects, dates, html nodes, etc.", function() {
@@ -161,8 +161,7 @@ describe("jasmine.Matchers", function() {
 
     expect(result.matcherName).toEqual("toMatch");
     expect(result.passed()).toEqual(false);
-    expect(result.message).toMatch(jasmine.pp(actual));
-    expect(result.message).toMatch(new RegExp(expected).toString());
+    expect(result.message).toEqual("Expected 'a' to match 'b'.");
     expect(result.expected).toEqual(expected);
     expect(result.actual).toEqual(actual);
   });
@@ -177,9 +176,7 @@ describe("jasmine.Matchers", function() {
 
     expect(result.matcherName).toEqual("toNotMatch");
     expect(result.passed()).toEqual(false);
-    expect(result.message).toMatch(expected.toString());
-    expect(result.message).toMatch(jasmine.pp(actual));
-    expect(result.message).toMatch("not");
+    expect(result.message).toEqual("Expected 'a' to not match /a/.");
     expect(result.expected).toEqual(expected);
     expect(result.actual).toEqual(actual);
   });
@@ -193,9 +190,7 @@ describe("jasmine.Matchers", function() {
 
     expect(result.matcherName).toEqual("toNotMatch");
     expect(result.passed()).toEqual(false);
-    expect(result.message).toMatch(jasmine.pp(str));
-    expect(result.message).toMatch(new RegExp(str).toString());
-    expect(result.message).toMatch("not");
+    expect(result.message).toEqual("Expected 'a' to not match 'a'.");
     expect(result.expected).toEqual(str);
     expect(result.actual).toEqual(str);
   });
@@ -213,7 +208,7 @@ describe("jasmine.Matchers", function() {
 
     expect(result.matcherName).toEqual("toBeDefined");
     expect(result.passed()).toEqual(false);
-    expect(result.message).toEqual('Expected actual to not be undefined.');
+    expect(result.message).toEqual('Expected undefined to be defined.');
     expect(result.actual).toEqual(undefined);
   });
 
@@ -297,7 +292,7 @@ describe("jasmine.Matchers", function() {
 
     expect(result.matcherName).toEqual("toBeTruthy");
     expect(result.passed()).toEqual(false);
-    expect(result.message).toEqual("Expected actual to be truthy");
+    expect(result.message).toEqual("Expected false to be truthy.");
     expect(result.actual).toEqual(false);
   });
 
@@ -440,9 +435,9 @@ describe("jasmine.Matchers", function() {
   });
 
   it("toThrow", function() {
-    var expected = new jasmine.Matchers(env, function() {
+    var expected = match(function() {
       throw new Error("Fake Error");
-    }, mockSpec);
+    });
     expect(expected.toThrow()).toEqual(true);
     expect(expected.toThrow("Fake Error")).toEqual(true);
     expect(expected.toThrow(new Error("Fake Error"))).toEqual(true);
@@ -463,7 +458,7 @@ describe("jasmine.Matchers", function() {
     } catch (e) {
       exception = e;
     }
-    ;
+
     expect(exception).toBeDefined();
     expect(exception.message).toEqual('Actual is not a function');
 
@@ -476,50 +471,75 @@ describe("jasmine.Matchers", function() {
 
   });
 
-  describe("wasCalled, wasNotCalled, wasCalledWith", function() {
+  describe("spy matchers >>", function() {
     var TestClass;
     beforeEach(function() {
-      TestClass = { someFunction: function() {
-      } };
-    });
-    describe('without spies', function() {
-      it('should always show an error', function () {
-        expect(match(TestClass.someFunction).wasCalled()).toEqual(false);
-        var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
-        expect(result.message).toEqual("Actual is not a spy.");
-
-        expect(match(TestClass.someFunction).wasNotCalled()).toEqual(false);
-        result = mockSpec.addMatcherResult.mostRecentCall.args[0];
-        expect(result.message).toEqual("Actual is not a spy.");
-      });
+      TestClass = {
+        normalFunction: function() {
+        },
+        spyFunction: jasmine.createSpy("My spy")
+      };
     });
 
-    describe('with spies', function () {
+    function shouldThrowAnExceptionWhenInvokedOnANonSpy(methodName) {
+      return function() {
+        expect(function() {
+          match(TestClass.normalFunction)[methodName]();
+        }).toThrow('Expected a spy, but got Function.');
 
-      beforeEach(function () {
-        TestClass.someFunction = jasmine.createSpy("My spy");
+        expect(function() {
+          match(undefined)[methodName]();
+        }).toThrow('Expected a spy, but got undefined.');
+
+        expect(function() {
+          match({some:'object'})[methodName]();
+        }).toThrow('Expected a spy, but got { some : \'object\' }.');
+      };
+    }
+
+    describe("wasCalled", function() {
+      it("should pass iff the spy was called", function() {
+        expect(match(TestClass.spyFunction).wasCalled()).toEqual(false);
+
+        TestClass.spyFunction();
+        expect(match(TestClass.spyFunction).wasCalled()).toEqual(true);
       });
 
-      it("should track if it was called", function() {
-        expect(match(TestClass.someFunction).wasCalled()).toEqual(false);
-        expect(match(TestClass.someFunction).wasNotCalled()).toEqual(true);
-
-        TestClass.someFunction();
-        expect(match(TestClass.someFunction).wasCalled()).toEqual(true);
-        expect(function () {
-          match(TestClass.someFunction).wasCalled('some arg');
+      it("should throw an exception when invoked with any arguments", function() {
+        expect(function() {
+          match(TestClass.normalFunction).wasCalled("unwanted argument");
         }).toThrow('wasCalled does not take arguments, use wasCalledWith');
-        expect(match(TestClass.someFunction).wasNotCalled()).toEqual(false);
       });
 
-      it('should return true if it was called with the expected args', function() {
-        TestClass.someFunction('a', 'b', 'c');
-        expect(match(TestClass.someFunction).wasCalledWith('a', 'b', 'c')).toEqual(true);
+      it('should throw an exception when invoked on a non-spy', shouldThrowAnExceptionWhenInvokedOnANonSpy('wasCalled'));
+    });
+
+    describe("wasNotCalled", function() {
+      it("should pass iff the spy was not called", function() {
+        expect(match(TestClass.spyFunction).wasNotCalled()).toEqual(true);
+
+        TestClass.spyFunction();
+        expect(match(TestClass.spyFunction).wasNotCalled()).toEqual(false);
+      });
+
+      it("should throw an exception when invoked with any arguments", function() {
+        expect(function() {
+          match(TestClass.normalFunction).wasNotCalled("unwanted argument");
+        }).toThrow('wasNotCalled does not take arguments');
+      });
+
+      it('should throw an exception when invoked on a non-spy', shouldThrowAnExceptionWhenInvokedOnANonSpy('wasNotCalled'));
+    });
+
+    describe("wasCalledWith", function() {
+      it('wasCalledWith should return true if it was called with the expected args', function() {
+        TestClass.spyFunction('a', 'b', 'c');
+        expect(match(TestClass.spyFunction).wasCalledWith('a', 'b', 'c')).toEqual(true);
       });
 
       it('should return false if it was not called with the expected args', function() {
-        TestClass.someFunction('a', 'b', 'c');
-        var expected = match(TestClass.someFunction);
+        TestClass.spyFunction('a', 'b', 'c');
+        var expected = match(TestClass.spyFunction);
         expect(expected.wasCalledWith('c', 'b', 'a')).toEqual(false);
         var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
         expect(result.passed()).toEqual(false);
@@ -528,67 +548,42 @@ describe("jasmine.Matchers", function() {
       });
 
       it('should allow matches across multiple calls', function() {
-        var expected = match(TestClass.someFunction);
-        TestClass.someFunction('a', 'b', 'c');
-        TestClass.someFunction('d', 'e', 'f');
+        var expected = match(TestClass.spyFunction);
+        TestClass.spyFunction('a', 'b', 'c');
+        TestClass.spyFunction('d', 'e', 'f');
         expect(expected.wasCalledWith('a', 'b', 'c')).toEqual(true);
         expect(expected.wasCalledWith('d', 'e', 'f')).toEqual(true);
         expect(expected.wasCalledWith('x', 'y', 'z')).toEqual(false);
       });
+
+      it('should throw an exception when invoked on a non-spy', shouldThrowAnExceptionWhenInvokedOnANonSpy('wasCalledWith'));
+
+      describe("to build an ExpectationResult", function () {
+        beforeEach(function() {
+          var currentSuite;
+          var spec;
+          currentSuite = env.describe('default current suite', function() {
+            spec = env.it();
+          }, spec);
+          TestClass = { someFunction: function(a, b) {
+          } };
+          spec.spyOn(TestClass, 'someFunction');
+        });
+
+        it("should should handle the case of a spy", function() {
+          TestClass.someFunction('a', 'c');
+          var matcher = match(TestClass.someFunction);
+          matcher.wasCalledWith('a', 'b');
+
+          var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
+          expect(result.matcherName).toEqual("wasCalledWith");
+          expect(result.passed()).toEqual(false);
+          expect(result.message).toMatch("['a', 'b']");
+          expect(result.message).toMatch("['a', 'c']");
+          expect(result.actual).toEqual(TestClass.someFunction);
+          expect(result.expected).toEqual(['a','b']);
+        });
+      });
     });
   });
-
-
-  describe("wasCalledWith to build an ExpectationResult", function () {
-    var TestClass;
-    beforeEach(function() {
-      var currentSuite;
-      var spec;
-      currentSuite = env.describe('default current suite', function() {
-        spec = env.it();
-      }, spec);
-      TestClass = { someFunction: function(a, b) {
-      } };
-      spec.spyOn(TestClass, 'someFunction');
-    });
-
-    it("should handle case of actual not being a spy", function() {
-      var matcher = match();
-      matcher.wasCalledWith('a', 'b');
-
-      var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
-
-      expect(result.matcherName).toEqual("wasCalledWith");
-      expect(result.passed()).toEqual(false);
-      expect(result.message).toEqual("Actual is not a spy");
-      expect(result.actual).toEqual(undefined);
-      expect(result.expected).toEqual(['a','b']);
-
-      matcher = match('foo');
-      matcher.wasCalledWith('a', 'b');
-
-      result = mockSpec.addMatcherResult.mostRecentCall.args[0];
-
-      expect(result.matcherName).toEqual("wasCalledWith");
-      expect(result.passed()).toEqual(false);
-      expect(result.message).toEqual("Actual is not a spy");
-      expect(result.actual).toEqual('foo');
-      expect(result.expected).toEqual(['a','b']);
-    });
-
-    it("should should handle the case of a spy", function() {
-      TestClass.someFunction('a', 'c');
-      var matcher = match(TestClass.someFunction);
-      matcher.wasCalledWith('a', 'b');
-
-      var result = mockSpec.addMatcherResult.mostRecentCall.args[0];
-      expect(result.matcherName).toEqual("wasCalledWith");
-      expect(result.passed()).toEqual(false);
-      expect(result.message).toMatch("['a', 'b']");
-      expect(result.message).toMatch("['a', 'c']");
-      expect(result.actual).toEqual(TestClass.someFunction);
-      expect(result.expected).toEqual(['a','b']);
-    });
-  });
-})
-  ;
+});
diff --git a/spec/suites/PrettyPrintSpec.js b/spec/suites/PrettyPrintSpec.js
index 48b1c7d..cf5f95a 100644
--- a/spec/suites/PrettyPrintSpec.js
+++ b/spec/suites/PrettyPrintSpec.js
@@ -32,6 +32,10 @@ describe("jasmine.pp", function () {
     }, bar: [1, 2, 3]})).toEqual("{ foo : Function, bar : [ 1, 2, 3 ] }");
   });
 
+  it("should stringify RegExp objects properly", function() {
+    expect(jasmine.pp(/x|y|z/)).toEqual("/x|y|z/");
+  });
+
   it("should indicate circular object references", function() {
     var sampleValue = {foo: 'hello'};
     sampleValue.nested = sampleValue;
@@ -69,5 +73,21 @@ describe("jasmine.pp", function () {
     expect(jasmine.pp(window)).toEqual("<window>");
   });
 
+  it("should stringify Date objects properly", function() {
+    var now = new Date();
+    expect(jasmine.pp(now)).toEqual("Date(" + now.toString() + ")");
+  });
+
+  it("should stringify spy objects properly", function() {
+    var TestObject = {
+      someFunction: function() {
+      }
+    };
+    spyOn(TestObject, 'someFunction');
+    expect(jasmine.pp(TestObject.someFunction)).toEqual("spy on someFunction");
+
+    expect(jasmine.pp(jasmine.createSpy("something"))).toEqual("spy on something");
+  });
+
 });
 
diff --git a/spec/suites/TrivialReporterSpec.js b/spec/suites/TrivialReporterSpec.js
index 1660c51..2fcc2ca 100644
--- a/spec/suites/TrivialReporterSpec.js
+++ b/spec/suites/TrivialReporterSpec.js
@@ -122,6 +122,19 @@ describe("TrivialReporter", function() {
       var divs = body.getElementsByTagName("div");
       expect(divs[3].innerHTML).toEqual("Expected 'a' to be null, but it was not");
     });
+
+    it("should add the failure message to the DOM (non-toEquals matchers)", function() {
+      expectationResult = new jasmine.ExpectationResult({
+        matcherName: "toBeNull", passed: false, message: "Expected '1 < 2' to <b>e null, & it was not"
+      });
+
+      spyOn(results, 'getItems').andReturn([expectationResult]);
+
+      trivialReporter.reportSpecResults(spec);
+
+      var divs = body.getElementsByTagName("div");
+      expect(divs[3].innerHTML).toEqual("Expected '1 &lt; 2' to &lt;b&gt;e null, &amp; it was not");
+    });
   });
 
 });
diff --git a/src/Env.js b/src/Env.js
index aecacde..dac30f1 100644
--- a/src/Env.js
+++ b/src/Env.js
@@ -10,7 +10,7 @@ jasmine.Env = function() {
 
   this.reporter = new jasmine.MultiReporter();
 
-  this.updateInterval = jasmine.DEFAULT_UPDATE_INTERVAL
+  this.updateInterval = jasmine.DEFAULT_UPDATE_INTERVAL;
   this.lastUpdate = 0;
   this.specFilter = function() {
     return true;
@@ -19,6 +19,17 @@ jasmine.Env = function() {
   this.nextSpecId_ = 0;
   this.nextSuiteId_ = 0;
   this.equalityTesters_ = [];
+
+  // wrap matchers
+  this.matchersClass = function() {
+    jasmine.Matchers.apply(this, arguments);
+  };
+  jasmine.util.inherit(this.matchersClass, jasmine.Matchers);
+
+  for (var methodName in jasmine.Matchers.prototype) {
+    var orig = jasmine.Matchers.prototype[methodName];
+    this.matchersClass.prototype[methodName] = jasmine.Matchers.matcherFn_(methodName, orig);
+  }
 };
 
 
diff --git a/src/Matchers.js b/src/Matchers.js
index 889b98d..74a63ec 100644
--- a/src/Matchers.js
+++ b/src/Matchers.js
@@ -24,15 +24,25 @@ jasmine.Matchers.prototype.report = function(result, failing_message, details) {
   return result;
 };
 
-jasmine.Matchers.matcherFn_ = function(matcherName, options) {
-  return function () {
-    jasmine.util.extend(this, options);
+jasmine.Matchers.matcherFn_ = function(matcherName, matcherFunction) {
+  return function() {
     var matcherArgs = jasmine.util.argsToArray(arguments);
-    var args = [this.actual].concat(matcherArgs);
-    var result = options.test.apply(this, args);
+    var result = matcherFunction.apply(this, arguments);
     var message;
     if (!result) {
-      message = options.message.apply(this, args);
+      if (this.message) {
+        message = this.message.apply(this, arguments);
+      } else {
+        var englishyPredicate = matcherName.replace(/[A-Z]/g, function(s) { return ' ' + s.toLowerCase(); });
+        message = "Expected " + jasmine.pp(this.actual) + " " + englishyPredicate;
+        if (matcherArgs.length > 0) {
+          for (var i = 0; i < matcherArgs.length; i++) {
+            if (i > 0) message += ",";
+            message += " " + jasmine.pp(matcherArgs[i]);
+          }
+        }
+        message += ".";
+      }
     }
     var expectationResult = new jasmine.ExpectationResult({
       matcherName: matcherName,
@@ -54,27 +64,17 @@ jasmine.Matchers.matcherFn_ = function(matcherName, options) {
  * @param expected
  */
 
-jasmine.Matchers.prototype.toBe = jasmine.Matchers.matcherFn_('toBe', {
-  test: function (actual, expected) {
-    return actual === expected;
-  },
-  message: function(actual, expected) {
-    return "Expected " + jasmine.pp(actual) + " to be " + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toBe = function(expected) {
+  return this.actual === expected;
+};
 
 /**
  * toNotBe: compares the actual to the expected using !==
  * @param expected
  */
-jasmine.Matchers.prototype.toNotBe = jasmine.Matchers.matcherFn_('toNotBe', {
-  test: function (actual, expected) {
-    return actual !== expected;
-  },
-  message: function(actual, expected) {
-    return "Expected " + jasmine.pp(actual) + " to not be " + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toNotBe = function(expected) {
+  return this.actual !== expected;
+};
 
 /**
  * toEqual: compares the actual to the expected using common sense equality. Handles Objects, Arrays, etc.
@@ -82,27 +82,17 @@ jasmine.Matchers.prototype.toNotBe = jasmine.Matchers.matcherFn_('toNotBe', {
  * @param expected
  */
 
-jasmine.Matchers.prototype.toEqual = jasmine.Matchers.matcherFn_('toEqual', {
-  test: function (actual, expected) {
-    return this.env.equals_(actual, expected);
-  },
-  message: function(actual, expected) {
-    return "Expected " + jasmine.pp(actual) + " to equal " + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toEqual = function(expected) {
+  return this.env.equals_(this.actual, expected);
+};
 
 /**
  * toNotEqual: compares the actual to the expected using the ! of jasmine.Matchers.toEqual
  * @param expected
  */
-jasmine.Matchers.prototype.toNotEqual = jasmine.Matchers.matcherFn_('toNotEqual', {
-  test: function (actual, expected) {
-    return !this.env.equals_(actual, expected);
-  },
-  message: function(actual, expected) {
-    return "Expected " + jasmine.pp(actual) + " to not equal " + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toNotEqual = function(expected) {
+  return !this.env.equals_(this.actual, expected);
+};
 
 /**
  * Matcher that compares the actual to the expected using a regular expression.  Constructs a RegExp, so takes
@@ -110,228 +100,143 @@ jasmine.Matchers.prototype.toNotEqual = jasmine.Matchers.matcherFn_('toNotEqual'
  *
  * @param reg_exp
  */
-jasmine.Matchers.prototype.toMatch = jasmine.Matchers.matcherFn_('toMatch', {
-  test: function(actual, expected) {
-    return new RegExp(expected).test(actual);
-  },
-  message: function(actual, expected) {
-    return jasmine.pp(actual) + " does not match the regular expression " + new RegExp(expected).toString();
-  }
-});
+jasmine.Matchers.prototype.toMatch = function(expected) {
+  return new RegExp(expected).test(this.actual);
+};
 
 /**
  * Matcher that compares the actual to the expected using the boolean inverse of jasmine.Matchers.toMatch
  * @param reg_exp
  */
-
-jasmine.Matchers.prototype.toNotMatch = jasmine.Matchers.matcherFn_('toNotMatch', {
-  test: function(actual, expected) {
-    return !(new RegExp(expected).test(actual));
-  },
-  message: function(actual, expected) {
-    return jasmine.pp(actual) + " should not match " + new RegExp(expected).toString();
-  }
-});
+jasmine.Matchers.prototype.toNotMatch = function(expected) {
+  return !(new RegExp(expected).test(this.actual));
+};
 
 /**
- * Matcher that compares the acutal to undefined.
+ * Matcher that compares the actual to undefined.
  */
-
-jasmine.Matchers.prototype.toBeDefined = jasmine.Matchers.matcherFn_('toBeDefined', {
-  test: function(actual) {
-    return (actual !== undefined);
-  },
-  message: function() {
-    return 'Expected actual to not be undefined.';
-  }
-});
+jasmine.Matchers.prototype.toBeDefined = function() {
+  return (this.actual !== undefined);
+};
 
 /**
- * Matcher that compares the acutal to undefined.
+ * Matcher that compares the actual to undefined.
  */
-
-jasmine.Matchers.prototype.toBeUndefined = jasmine.Matchers.matcherFn_('toBeUndefined', {
-  test: function(actual) {
-    return (actual === undefined);
-  },
-  message: function(actual) {
-    return 'Expected ' + jasmine.pp(actual) + ' to be undefined.';
-  }
-});
+jasmine.Matchers.prototype.toBeUndefined = function() {
+  return (this.actual === undefined);
+};
 
 /**
  * Matcher that compares the actual to null.
- *
  */
-jasmine.Matchers.prototype.toBeNull = jasmine.Matchers.matcherFn_('toBeNull', {
-  test: function(actual) {
-    return (actual === null);
-  },
-  message: function(actual) {
-    return 'Expected ' + jasmine.pp(actual) + ' to be null.';
-  }
-});
+jasmine.Matchers.prototype.toBeNull = function() {
+  return (this.actual === null);
+};
 
 /**
  * Matcher that boolean not-nots the actual.
  */
-jasmine.Matchers.prototype.toBeTruthy = jasmine.Matchers.matcherFn_('toBeTruthy', {
-  test: function(actual) {
-    return !!actual;
-  },
-  message: function() {
-    return 'Expected actual to be truthy';
-  }
-});
+jasmine.Matchers.prototype.toBeTruthy = function() {
+  return !!this.actual;
+};
 
 
 /**
  * Matcher that boolean nots the actual.
  */
-jasmine.Matchers.prototype.toBeFalsy = jasmine.Matchers.matcherFn_('toBeFalsy', {
-  test: function(actual) {
-    return !actual;
-  },
-  message: function(actual) {
-    return 'Expected ' + jasmine.pp(actual) + ' to be falsy';
-  }
-});
+jasmine.Matchers.prototype.toBeFalsy = function() {
+  return !this.actual;
+};
 
 /**
- * Matcher that checks to see if the acutal, a Jasmine spy, was called.
+ * Matcher that checks to see if the actual, a Jasmine spy, was called.
  */
-
-jasmine.Matchers.prototype.wasCalled = jasmine.Matchers.matcherFn_('wasCalled', {
-  getActual_: function() {
-    var args = jasmine.util.argsToArray(arguments);
-    if (args.length > 1) {
-      throw(new Error('wasCalled does not take arguments, use wasCalledWith'));
-    }
-    return args.splice(0, 1)[0];
-  },
-  test: function() {
-    var actual = this.getActual_.apply(this, arguments);
-    if (!actual || !actual.isSpy) {
-      return false;
-    }
-    return actual.wasCalled;
-  },
-  message: function() {
-    var actual = this.getActual_.apply(this, arguments);
-    if (!actual || !actual.isSpy) {
-      return 'Actual is not a spy.';
-    }
-    return "Expected spy " + actual.identity + " to have been called.";
+jasmine.Matchers.prototype.wasCalled = function() {
+  if (arguments.length > 0) {
+    throw new Error('wasCalled does not take arguments, use wasCalledWith');
   }
-});
+
+  if (!jasmine.isSpy(this.actual)) {
+    throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
+  }
+
+  this.message = function() {
+    return "Expected spy " + this.actual.identity + " to have been called.";
+  };
+
+  return this.actual.wasCalled;
+};
 
 /**
- * Matcher that checks to see if the acutal, a Jasmine spy, was not called.
+ * Matcher that checks to see if the actual, a Jasmine spy, was not called.
  */
-jasmine.Matchers.prototype.wasNotCalled = jasmine.Matchers.matcherFn_('wasNotCalled', {
-  getActual_: function() {
-    var args = jasmine.util.argsToArray(arguments);
-    return args.splice(0, 1)[0];
-  },
-  test: function() {
-    var actual = this.getActual_.apply(this, arguments);
-    if (!actual || !actual.isSpy) {
-      return false;
-    }
-    return !actual.wasCalled;
-  },
-  message: function() {
-    var actual = this.getActual_.apply(this, arguments);
-    if (!actual || !actual.isSpy) {
-      return 'Actual is not a spy.';
-    }
-    return "Expected spy " + actual.identity + " to not have been called.";
+jasmine.Matchers.prototype.wasNotCalled = function() {
+  if (arguments.length > 0) {
+    throw new Error('wasNotCalled does not take arguments');
   }
-});
 
-jasmine.Matchers.prototype.wasCalledWith = jasmine.Matchers.matcherFn_('wasCalledWith', {
-  test: function() {
-    var args = jasmine.util.argsToArray(arguments);
-    var actual = args.splice(0, 1)[0];
-    if (!actual || !actual.isSpy) {
-      return false;
-    }
-    return this.env.contains_(actual.argsForCall, args);
-  },
-  message: function() {
-    var args = jasmine.util.argsToArray(arguments);
-    var actual = args.splice(0, 1)[0];
-    var message;
-    if (!actual || !actual.isSpy) {
-      message = 'Actual is not a spy';
-    } else {
-      message = "Expected spy to have been called with " + jasmine.pp(args) + " but was called with " + actual.argsForCall;
-    }
-    return message;
+  if (!jasmine.isSpy(this.actual)) {
+    throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
   }
-});
+
+  this.message = function() {
+    return "Expected spy " + this.actual.identity + " to not have been called.";
+  };
+
+  return !this.actual.wasCalled;
+};
 
 /**
- * Matcher that checks to see if the acutal, a Jasmine spy, was called with a set of parameters.
+ * Matcher that checks to see if the actual, a Jasmine spy, was called with a set of parameters.
  *
  * @example
  *
  */
+jasmine.Matchers.prototype.wasCalledWith = function() {
+  if (!jasmine.isSpy(this.actual)) {
+    throw new Error('Expected a spy, but got ' + jasmine.Matchers.pp(this.actual) + '.');
+  }
+
+  this.message = function() {
+    return "Expected spy to have been called with " + jasmine.pp(arguments) + " but was called with " + jasmine.pp(this.actual.argsForCall);
+  };
+
+  return this.env.contains_(this.actual.argsForCall, jasmine.util.argsToArray(arguments));
+};
 
 /**
  * Matcher that checks that the expected item is an element in the actual Array.
  *
  * @param {Object} item
  */
-
-jasmine.Matchers.prototype.toContain = jasmine.Matchers.matcherFn_('toContain', {
-  test: function(actual, expected) {
-    return this.env.contains_(actual, expected);
-  },
-  message: function(actual, expected) {
-    return 'Expected ' + jasmine.pp(actual) + ' to contain ' + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toContain = function(expected) {
+  return this.env.contains_(this.actual, expected);
+};
 
 /**
  * Matcher that checks that the expected item is NOT an element in the actual Array.
  *
  * @param {Object} item
  */
-jasmine.Matchers.prototype.toNotContain = jasmine.Matchers.matcherFn_('toNotContain', {
-  test: function(actual, expected) {
-    return !this.env.contains_(actual, expected);
-  },
-  message: function(actual, expected) {
-    return 'Expected ' + jasmine.pp(actual) + ' to not contain ' + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toNotContain = function(expected) {
+  return !this.env.contains_(this.actual, expected);
+};
 
-jasmine.Matchers.prototype.toBeLessThan = jasmine.Matchers.matcherFn_('toBeLessThan', {
-  test: function(actual, expected) {
-    return actual < expected;
-  },
-  message: function(actual, expected) {
-    return 'Expected ' + jasmine.pp(actual) + ' to be less than ' + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toBeLessThan = function(expected) {
+  return this.actual < expected;
+};
 
-jasmine.Matchers.prototype.toBeGreaterThan = jasmine.Matchers.matcherFn_('toBeGreaterThan', {
-  test: function(actual, expected) {
-    return actual > expected;
-  },
-  message: function(actual, expected) {
-    return 'Expected ' + jasmine.pp(actual) + ' to be greater than ' + jasmine.pp(expected);
-  }
-});
+jasmine.Matchers.prototype.toBeGreaterThan = function(expected) {
+  return this.actual > expected;
+};
 
 /**
  * Matcher that checks that the expected exception was thrown by the actual.
  *
  * @param {String} expectedException
  */
-jasmine.Matchers.prototype.toThrow = jasmine.Matchers.matcherFn_('toThrow', {
-  getException_: function(actual, expected) {
+jasmine.Matchers.prototype.toThrow = function(expected) {
+  function getException_(actual, expected) {
     var exception;
     if (typeof actual != 'function') {
       throw new Error('Actual is not a function');
@@ -342,24 +247,25 @@ jasmine.Matchers.prototype.toThrow = jasmine.Matchers.matcherFn_('toThrow', {
       exception = e;
     }
     return exception;
-  },
-  test: function(actual, expected) {
-    var result = false;
-    var exception = this.getException_(actual, expected);
-    if (exception) {
-      result = (expected === undefined || this.env.equals_(exception.message || exception, expected.message || expected));
-    }
-    return result;
-  },
-  message: function(actual, expected) {
-    var exception = this.getException_(actual, expected);
+  }
+
+  var result = false;
+  var exception = getException_(this.actual, expected);
+  if (exception) {
+    result = (expected === undefined || this.env.equals_(exception.message || exception, expected.message || expected));
+  }
+
+  this.message = function(expected) {
+    var exception = getException_(this.actual, expected);
     if (exception && (expected === undefined || !this.env.equals_(exception.message || exception, expected.message || expected))) {
       return ["Expected function to throw", expected.message || expected, ", but it threw", exception.message || exception  ].join(' ');
     } else {
       return "Expected function to throw an exception.";
     }
-  }
-});
+  };
+
+  return result;
+};
 
 jasmine.Matchers.Any = function(expectedClass) {
   this.expectedClass = expectedClass;
diff --git a/src/PrettyPrinter.js b/src/PrettyPrinter.js
index d044753..16021b6 100644
--- a/src/PrettyPrinter.js
+++ b/src/PrettyPrinter.js
@@ -9,11 +9,9 @@ jasmine.PrettyPrinter = function() {
  * Formats a value in a nice, human-readable string.
  *
  * @param value
- * @returns {String}
  */
 jasmine.PrettyPrinter.prototype.format = function(value) {
   if (this.ppNestLevel_ > 40) {
-    //    return '(jasmine.pp nested too deeply!)';
     throw new Error('jasmine.PrettyPrinter: format() nested too deeply!');
   }
 
@@ -29,12 +27,16 @@ jasmine.PrettyPrinter.prototype.format = function(value) {
       this.emitScalar(value.toString());
     } else if (typeof value === 'string') {
       this.emitString(value);
+    } else if (jasmine.isSpy(value)) {
+      this.emitScalar("spy on " + value.identity);
     } else if (typeof value === 'function') {
       this.emitScalar('Function');
     } else if (typeof value.nodeType === 'number') {
       this.emitScalar('HTMLNode');
     } else if (value instanceof Date) {
       this.emitScalar('Date(' + value + ')');
+    } else if (value instanceof RegExp) {
+      this.emitScalar(value.toString());
     } else if (value.__Jasmine_been_here_before__) {
       this.emitScalar('<circular reference: ' + (jasmine.isArray_(value) ? 'Array' : 'Object') + '>');
     } else if (jasmine.isArray_(value) || typeof value == 'object') {
diff --git a/src/Spec.js b/src/Spec.js
index a0a7453..4931432 100644
--- a/src/Spec.js
+++ b/src/Spec.js
@@ -10,11 +10,9 @@ jasmine.Spec = function(env, suite, description) {
   if (!env) {
     throw new Error('jasmine.Env() required');
   }
-  ;
   if (!suite) {
     throw new Error('jasmine.Suite() required');
   }
-  ;
   var spec = this;
   spec.id = env.nextSpecId ? env.nextSpecId() : null;
   spec.env = env;
@@ -91,7 +89,7 @@ jasmine.Spec.prototype.fail = function (e) {
 };
 
 jasmine.Spec.prototype.getMatchersClass_ = function() {
-  return this.matchersClass || jasmine.Matchers;
+  return this.matchersClass || this.env.matchersClass;
 };
 
 jasmine.Spec.prototype.addMatchers = function(matchersPrototype) {
diff --git a/src/base.js b/src/base.js
index 2f2e8e3..58b2394 100755
--- a/src/base.js
+++ b/src/base.js
@@ -19,7 +19,7 @@ jasmine.unimplementedMethod_ = function() {
 jasmine.DEFAULT_UPDATE_INTERVAL = 250;
 
 /**
- * Allows for bound functions to be comapred.  Internal use only.
+ * Allows for bound functions to be compared.  Internal use only.
  *
  * @ignore
  * @private
@@ -324,6 +324,16 @@ jasmine.createSpy = function(name) {
   return spyObj;
 };
 
+/**
+ * Determines whether an object is a spy.
+ *
+ * @param {jasmine.Spy|Object} putativeSpy
+ * @returns {Boolean}
+ */
+jasmine.isSpy = function(putativeSpy) {
+  return putativeSpy && putativeSpy.isSpy;
+};
+
 /**
  * Creates a more complicated spy: an Object that has every property a function that is a spy.  Used for stubbing something
  * large in one call.