Rei Katsura

Rei Katsura is a main character in Digimon Universe: Appli Monsters. His Buddy Appmon is Hackmon.

Appearance
Rei is a teen-aged boy with pale skin, gray-green hair and red eyes. He wears a black hooded jacket over a gray hooded sweatshirt. He also wears dark blue pants with a white zipper pattern, and white sneakers.

Personality
Rei is a skilled hacker. He is usually untrustful of others, and initially suspected Hackmon to be working with Leviathan.