Due to being a homunculus, Conner perpetually looks 18. He's fit and built. He has dark hair, blue eyes, and stubble. He typically wears red and black.

Outwardly, he's confident, cocky, witty, and playful. He has a foul mouth and is prone to sass. Deep down, Conner is deeply emotional and desperately wants to belong somewhere. His lack of true parents and a childhood weigh on him. He feels different from his peers. Struggles with feelings of rejection and abandonment. Cares about his friend.