Whomp

Whomps are large, Thwomp-like enemies in the Mario series. They are large grey slabs with arms, legs, eyes and a mouth. They attack by attempting to crush Mario. They are defeated by ground-pounding their backs while they are on the floor. They have a boss variant known as King Whomp. They mainly appear in Whomp's Fortress.

Enemy Discoloring
Main Article: Enemy Discoloring

Enemy Discoloring can create Blue Whomps. These Whomps can create shockwaves seen in the final Bowser boss fight upon hitting the ground, though the shockwaves are usually smaller.