Robert Fredrick "Rob" Paulsen III (born March 11, 1956) is an American voice actor, singer and former actor who has done many voice roles in various films, television shows and video games. 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 Scratchansni ... Show More