Pumpkin Monster

Pumpkin Monster (南瓜の魔物) is a plant monster that is featured in Mass for the Dead.

Appearance
A eerily grinning pumpkin that resembles a living jack-o-lantern.

Abilities
The plant monsters while not threatening by themselves, in groups are quite vicious. Later its learned that they are able to take possession of other living beings by attaching themselves to the head, increasing their physical abilities.

Trivia

 * In the game, Mare and Aura were commissioned by Momonga to cultivate a field of plants from the New World. They ended up with a crop of pumpkins, and brought them to Nazarick only to have an infestation upon realizing the plants' abilities.