He worked as a stunt performer on two other Lucasfilm productions: Howard the Duck and Indiana Jones and the Temple of Doom (as Short Round stunt double). He was also one of the Dinks in the film Spaceballs, a Star Wars parody directed by Mel Brooks.
He is best known for his roles as Twiki in the television series Buck Rogers in the 25th Century and Cousin Itt in The Addams Family.