Don-chan is the main character of the Taiko no Tatsujin series, and appears as a default playable character in Mario Kart Arcade GP DX. He additionally appears in Super Smash Bros. for Nintendo 3DS / Wii U as one of the characters that Pac-Man can randomly summon during his Namco Roulette taunt.
Mario Kart D
As a nod to his appearance in the Mario Kart Arcade games, Don-chan is a playable character in Mario Kart D's DLC Pack 1, returning alongside Pac-Man and several courses from the arcade titles. Two of Don-chan's recolors are based off of Strawberry and Hero Don-chan, Mario Kart Arcade GP DX palette swaps.