Robin Williams played the iconic role of Mork in the television series 'Mork & Mindy' from 1978 to 1982. The character of Mork was an alien from the planet Ork who came to Earth in an egg-shaped spacecraft. He was known for his catchphrase, 'nanu nanu, ' and his unique sense of humor. Williams' portrayal of Mork earned him a Golden Globe Award for Best Actor in a Television Series - Musical or Comedy in 1979.