Pikashu

Pikashu (ピカシュー) is an electrical robot enemy that emerges from the Brain Crusher in Mega Man V, along with Alabell. They can control the gravity of the room, making Mega Man levitate to hit the spikes on the ceiling.

Trivia

 * Pikashu's name is derived from "pikapika", a Japanese onomatopoeia for electric sparkling.

Its Name almost sounds familliar to pikachu, The Pokemon Mascot.