Rei Katsura

Rei Katsura (桂 レイ) is a main character in Digimon Universe App Monsters. His Buddy Appmon is.

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

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

Etymologies

 * Rei Katsura (桂 レイ)
 * Ja: Katsura (桂). Japanese surname that means "". Possibly from Rei Kātsuwairu (レイ・カーツワイル), author of . It might also refer to the or  as a reference to the.
 * Ja: Rei (レイ). A Japanese gender-neutral name. Possibly from Ray Kurzweil (レイ・カーツワイル), author of The Singularity Is Near. It also means "zero" (零), and with Hajime is a pun on "".

Anime
Rei is an App Driver paired with. He is aware of Haru Shinkai's existence. Soon after Haru and collect their first 7code Appmon Chip with, Rei and Hackmon obtain their own when they defeat a cornered. Hackmon comments that Haru has obtained his first 7code Appmon, and Rei says that he "couldn't" allow Haru to reach Leviathan. On November 3, 2016, he sees Eri Karan and on television and declares that things are getting interesting.

Manga
On October 1, Rei and collect 's Chip.