✦Appeared as the Surprise Guest at the 2006 Nickelodeon Kids' Choice Awards.
✦Conducted live performance at Consumer Electronics Show during Google keynote on January 6, 2006.
✦Sued a man named Michael Clayton in 2005 for misrepresenting himself as the real Robin Williams to Star Tribune and Missouri's Fire Department so that it led to a permanent injunction preventing Clayton from ever performing as him.
✦Dedicated the Cecil B. DeMille Award he was presented of at the 2005 Golden Globe Awards to the late Christopher Reeve.
✦Was portrayed by Chris Diamantopoulos in TV movie biopic feature of Behind the Camera: The Unauthorized Story of Mork & Mindy (2005).