Marshmallow Devil

The Marshmallow Devil (マシュマロの悪魔) is a devil who embodies the fear of marshmallow.

Appearance
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Personality
Nothing is currently known about the Marshmallow Devil's personality except it presumably possesses hatred for humans like all non-humanoid devils.

Introduction arc
Marshmallow devil is the first known devil to be killed by Denji in the manga.

Abilities
As a Devil, the Marshmallow Devil possesses all of the standard devil abilities.

Trivia

 * Its name is not revealed, in the Animation Guide Book it is referred as "Marshmallow Devil".