He is a male whose age is unknown, but he is of adult age. He lives together with Ben Heinz and Sean Holguire.
He is 6' 1". He weighs 170lb (77.1107 kg). While you cannot see it from where the "camera" is located every episode, he has blue eyes.
CJ is an absent-minded person. He loves watching television, and has an ever-expanding movie and television DVD collection. He gets annoyed by the slightest things.
- Old designs of CJ had him with Eddsworld-styled hair, with the ears sticking out.
- He has appeared in You Still Use IM?.