Kirby Super Star and Kirby Super Star Ultra Edit
Marx is the final boss of Milky Way Wishes. He looks like a jester. His hat looks like Mirror's. When he makes a wish to Galactic Nova, he becomes much more powerful. He has the same role in Kirby Super Star Ultra but he turns into Marx Soul in the True Arena .
Kirby Mass Attack Edit
Marx is a boss of the minigame Brawl Ball.
Kirby's Return to Dream Land Edit
He appears as a Stone cameo, but he also appears in the final movie in the audience.