Hydro Hopper Penguins

Not to be confused with Hydro-Hopper Penguin

The Hydro-Hopper Penguins are 3 penguins who appear in the game, Hydro-Hopper. One is a Brown penguin that drives the boat, and 2 are Peach and Old Blue penguins in the back seat, and the Peach one is wearing a snorkel.

Trivia

 * The 2 penguins in the back wave at you when you jump over an object.