Monkey

Monkey ​is a recurring character from the Rhythm Heaven ​​series, particularly Rhythm Heaven Fever.

Showtime
The Monkey's first appearance is in Showtime, where he hits a switch to launch a ball for the penguins to catch mid-air.

Tap Trial
In Tap Trial, there are 2 monkeys who instruct you on when to tap, double tap, triple tap, or jump.

Fan Club
In Fan Club, there are three monkeys, where one in which is the player. Per the actions you are supposed to follow in this game, the monkeys do the clapping, or otherwise "cheering."