Isod is a shy demon who is childhood friends with Akuma. Growing up he wanted to be a member of the Death Association, but when he realizes that writing was his true calling. He uses his words to fight, along with his trusty bow and arrow. He is not all that strong, but he does what he can to help his friends.
Caps is a very nervous kid who has been bullied ever since he was young, because of one incident when he wet his pants in first grade. He never stands up for himself and has no self-confidence whatsoever. He is very shy until his last moments, when he snaps and finally stands up for himself.