8 Ball

8 Ball is an interdimensional criminal from an unknown dimension. He one of Bill Cipher's minions and minor antagonist in the Disney XD series Gravity Falls.

Overview
Ball is a demon indulged in criminal activities before being was called together by Bill Cipher, along with Amorphous Shape, Hectorgon, Keyhole, Kryptos, Paci-Fire, Teeth, Pyronica, and Xanthar.

Appearance
8 Ball is olive green, with a lighter chest and stomach, and has a muscular upper body. It has large ears with a what appears to be a bite in one of them, a prominent underbite and large teeth and fangs. 8 Ball's eyes are magic 8-balls that glow yellow at the pupils which usually are pointed in different directions. The being has cuffs around its right wrist and ankle, with a small segment of broken chain dangling from both of them.