Monster

Monstar (モンスター) was a little monkey seen at the Partys Bar when Shanks and his crew were there. He appeared only in the manga.

Appearance
He is a small monkey with tiny eyes. Like all monkeys he has fur over most of his body.

Abilities and Powers
He is able to party with others, not making anybody uncomfortable despite his different species.

History
Monstar was seen partying with the Red Hair Pirates at Partys Bar. He was never seen again after that.