Super Mario 64 and Super Mario 64 DS.
Big Penguin is large blue penguin with a white belly, large yellow beak, and blue eyes.
Big Penguin appears at inside the cabin at the mountain summit in Cool, Cool Mountain.
In Mission 3, if Mario comes near the Big Penguin, he will ask him, if Mario wants to race him. If Mario wins the race, he will be rewarded with a Power Star. However, if Mario cheats by skipping parts of the race or takes the shortcut, he will automatically lose and will have to start over.