Remember the TV show 'Dinosaurs'? Turns out the voice of Baby "Not the Mama!" Sinclair was none other than Kevin Clash, aka Elmo from 'Sesame Street.' Here's footage of Baby Sinclair losing it after a long day of filming. The amazing thing about puppets is that their heads can spin completely around and it doesn't mean they're possessed by anything. Although Baby might be -- he's got quite the temper.

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