Rhythm Rocket

Rhythm Rocket is a light gray rocket with a purple window. His design is based off of the Rhythm Rockets from the minigame Launch Party of Rhythm Heaven Fever, specifically Rhythm Rocket 4: Bowling Model. According to the lore, The contestants are running away from Rhythm Rocket, who eliminates them and curses them to a purgatory of statistics. in Challenge 10, Rhythm Rocket confronts the remaining contestants and challenges them.

In entries

 * Minifridge throws Kemchup Reborn, Texan Flag, and Split Token at Rhythm Rocket and then stabs him.
 * Split token lures Rhythm Rocket into his Gray Dimension, where he confuses Shield Token for Split token and is killed. Split Token's entry splits into two alternate dimensions, one where Shield token dies and one where Shield Token is saved at the cost of one of Split Token's arms.