Rob Paulsen has been not one, but two &quot;Teenage Mutant Ninja Turtles.&quot; In the 1980s, he was Raphael, and he's now playing Donatello on the Nickelodeon series. He was also two of the main characters on that 1990s favorite, &quot;Animaniacs.&quot; He played Pinky, also on the show &quot;Pinky and the Brain,&quot; and Wakko Warner -- just ask him to sing the &quot;Geography Song.&quot;
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