Tatsuo Akaryuu

Datadramon's partner. He's incredibly reckless and airheaded which usually ends up in him getting injured. Datadramon has a disliking towards him due to their opposing personalities and they tend to argue a lot. Despite this, he believes in Datadramon and would probably risk his life to protect him (For some reason). He's believed to be the one who's able to harness Datadramon's true power and cure the darkness inside him.