Fans were temporarily devastated on Sunday after a rumour ignited on Twitter that Seinfeld favourite Wayne Knight was dead. However, the 58-year-old funnyman took to Twitter to refute the death hoax, which claimed he died in a car crash, and even poked fun at the fact that he was trending on the social networking site only due to his alleged death. He wrote: 'Some of you will be glad to hear this, others strangely disappointed, but….I am alive and well!