Robert Fredrick "Rob" Paulsen III is an American actor who is most active in voice over roles. He is best known for providing the voices of Raphael and Donatello from the 1987 cartoon and 2012 cartoon respectively of Teenage Mutant Ninja Turtles, Yakko Warner and Dr. Otto Scratchansniff from Animaniacs, and Pinky from Pinky and the Brain and Animaniacs. In total, Paulsen has been the voice of over 250 different animated characters and performed in over 1000 commercials. He continues to play parts in dozens of cartoons as well as characters in animated feature movies. ... more on Wikipedia