Robbie Rist is an actor known for playing Cousin Oliver in The Brady Bunch, Martin in Grady and “Little John” in Big John, Little John. Rist is also known for voicing assorted characters in television shows, games and movies, including Star in Balto, Maroda in Final Fantasy X, Choji Akimichi in Naruto, and Michelangelo in the 1990-1993 Teenage Mutant Ninja Turtles films. Additionally, he provided music for the Sharknado film and the theme song for the Sharknado franchise. He played Ted and Georgette Baxter’s adopted son David on The Mary Tyler Moore Show.