Robert Anthony Rist (born April 4, 1964) is an American actor.
As a child he played Cousin Oliver in the final season of The Brady Bunch. In the late 1970s, he co-starred in a Saturday morning show called Big John, Little John, and in 1976 and 1977, Rist played David Baxter (Ted Baxter's son), on the television program Mary Tyler Moore. In 1980, Rist played "Dr. Zee" on Galactica 1980. Rist also played Booger in a failed Revenge of the Nerds TV pilot. He even made an appearance in episode 5 entitled A Chip Off the Old Block of the short lived CBS series Whiz Kids.
As an adult, Rist has worked as a voice actor, such as in the Teenage Mutant Ninja Turtles film series (as Michelangelo); from 1984 to 1986, he starred in the Saturday morning cartoon Kidd Video, playing the character Whiz both in live-action music videos and animated sequences. He was the voice of Star, a Siberian husky, in the 1995 Universal Studios film Balto. He was also the voice of Aaron in the PC game Star Warped. An episode of Batman: The Animated Series titled "Baby Doll" contained a character called Cousin Spunky that was intended to boost sagging ratings of the fictional Baby Doll sitcom, a clear reference to "Cousin Oliver syndrome". Rist lent his voice to the episode, but contrary to popular belief, was not Cousin Spunky, but one of the other child actors kidnapped (now a full grown man). Rist also voices the character Choji Akimichi from the anime series Naruto, He is also currently doing the voice of Bud Bison on Megaman starforce
Rist is also a musician and producer. He has performed as the lead singer/guitarist for several rock bands in the Los Angeles including Wonderboy, the Andersons, Cockeyed Ghost, Nice Guy Eddie, and Steve Barton and the Oblivion Click. The list of west coast pop bands Rist has performed with numbers in the hundreds. He currently divides his time between film and music production, performing with Los Angeles alt-country band KingsizeMaybe and rock band Jeff Caudill & The Goodtimes Band (with Jeff Caudill of Orange County punk band Gameface and Michael "Popeye" Vogelsang of Orange County punk band Farside). Rist has also produced a number of records for bands, including Backline, Ginger Britt and the Mighty, Jeff Caudill, Steve Barton and the Oblivion Click, Nice Guy Eddie, Kingsizemaybe and The Mockers.
Rist is busy juggling acting, music and also film production. Rist's latest project is a horror/comedy film he produced, called Stump The Band. The film was directed by William Holmes and JoJo Hendrickson.