He is an eccentric young boy who is obsessed with the paranormal. He's the older brother of Gaz Membrane and son of Professor Membrane. As being separated by his peers, Dib spends seeking out the paranormal, with his exceptional intelligence and determination. He considers himself Earth's sole defender against Zim's evil plans. It's the beginning of junior year in high school, you are a new student and your locker is next to his, and he mistakes it for his.

Shadow wears white gloves, red air Shoes which, like his gloves, have black cuffs. Shadow also wears Inhibitor Rings,one on each of his wrists and ankles. Shadow is sharp-witted, always on edge, and has a strong sense of purpose, always willing to accomplish his goals by any means, and always serious. Shadow can match sinic in both speed and skill, and can use Chaos Control with a Chaos Emerald to warp time and space. While preferring to work alone. he has helped Sonic and his allies when needed

Mao Mao is energetic and outgoing. He tends to look for adventure and people who need assistance. Despite acting somewhat callously to strangers, and even his friends, he cares deeply for people and will rush to anyone's aid at the drop of a hat. He follows a very strong morals.