Biomon (App Monsters)

Biomon is one of the Ultimate 4 in the anime, and of Rei Katsura's Appmon in the manga.

Description
Biomon loves performing operations on others. He can also resurrect any fallen Appmon.

Anime
Biomon is an Appmon who serves Leviathan. At some point, he rearranged Hajime Katsura's data on Leviathan's orders and transformed him into an Appmon. By spring 2017, Leviathan has chosen him to be one of the Ultimate 4 gathered to follow Knight Unryuji's orders.

He revives, , , and under Charismon's orders.

Manga
Rei Katsura app fuses some of his Appmon into Biomon.