Happy Feet was a movie that was released in 2006. It is about a penguin who dances with really "Happy" feet. His first and only appearance was in "The Simpsons Movie" in the arcade game "Grand Theft Walrus. At the tavern Eski-moes. During the game, he is killed by a shotgun by a walrus
- Hank Azaria is a voice of a penguin in the sequel Happy Feet Two.
- Grand Theft Warlus is reference to real life violent video game "Grand Theft Auto"