Don't Forget How Ozzy Osbourne Bit A Bat The Head Off Onstage

In January 1982 Black Sabbath was performing in Des Moines, Iowa. It looked like someone in the audience found an old bat in his pocked and he threw it onto the stage while they were performing. Ozzy was possibly on cocaine like he always is and picked the bat up and bit its head off. Ozzy said he thought that the bat was a rubber but when the blood started flowing into his mouth he realized that it really was alive. He said it was the worst after taste something could have. 

But the incident became heavy metal history.