Io

Io is the first of the Galilean Moons.

Personality
Io is generally quiet, due to his tendencies to erupt sulfur clouds when experiencing strong emotions. He is quiet and keeps to himself. Despite this, he gets along well with most of the other planets and moons.

Appearance
Io is a yellow sphere with multiple red spots from volcanic activity. His appearance is likened to that of a pizza. He has light green eyes.