Geoff Peterson is an animatronic human skeleton that served as the sidekick on the late-night talk show The Late Late Show with Craig Ferguson. He was voiced and operated by Josh Robert Thompson and first appeared on The Late Late Show on April 5, 2010. Often referred to as a "robot skeleton", Peterson is a radio-controlled animatronic robot puppet designed and built by Grant Imahara of MythBusters.

An animatronic is a mechatronic puppet. They are a modern variant of the automaton and are often used for the portrayal of characters in films, video games and in theme park attractions.