Robert Frederick "Rob" Paulsen III (born March 11, 1956), often credited as Rob Paulsen is an American voice actor and singer, best known as the voice behind Raphael from the 1987 cartoon of Teenage Mutant Ninja Turtles, Yakko Warner and Dr. Otto Scratchansniff from Animaniacs, Pinky from Pinky and the Brain and Animaniacs, Rev Runner from Loonatics Unleashed, and Throttle from the 1990s and 2006 versions of Biker Mice From Mars. His role as Pinky won him a Daytime Emmy Award for male vocal performance. He also voiced Rock and Lance on Mrs. Munger's Class.
He also provided the voice of Spike in The Land Before Time franchises (except for the sixth film and first film). He even voiced Rinkus the Rhamphorhynchus, Strut the Struthiomimus, and other Land Before Time characters. He becomes the current voice of Donatello in the new series of Teenage Mutant Ninja Turtles.