Welcome to Login

Michael Sinterniklaas

Michael Sinterniklaas is a French-American voice actor and ADR director best known as the voice of Leonardo on the long-running animated TV show "Teenage Mutant Ninja Turtles." Born in France, he moved to the U.S. at age 10, eventually graduating from New York City's High School of Performing Arts. He got his start dubbing English versions of Japanese video shorts and TV shows like "Urusei yatsura" in 1981. After several guest voice roles he earned a regular spot on the series "One Piece" in 1999, performing various characters, and worked on films like "Pokémon Heroes" in 2003. He began voice work on the hyper-successful animated show "Teenage Mutant Ninja Turtles" in 2003 as main character Leonardo. He voiced other characters for the show and also was part of several spinoff video games and the 2009 TV movie "Turtles Forever." Other shows he has provided his voice talents for include the comedy "Robotomy," the offbeat adult-oriented "The Venture Bros.," and "Speed Racer: The Next Generation." He is also a founder of a production studio that dubs anime work and has directed episodes of the animated show "Three Delivery."