Mork is a fictional character from the popular television series Mork & Mindy, which aired from 1978 to 1982. Portrayed by Robin Williams, Mork is an alien from the planet Ork who comes to Earth to study human behavior. His quirky personality and unique perspective on life lead to humorous situations, making the show a beloved classic. The character of Mork is known for his iconic catchphrase, "Nanu Nanu," and his distinctive outfit, which includes a colorful jumpsuit. Mork's interactions with Mindy, played by Pam Dawber, explore themes of love, friendship, and the challenges of fitting in, resonating with audiences of all ages.