|Partner(s)||Akimu Papladon (forced)|
|Debut: Anime||Episode 5|
|Voice Actor||Japanese: Tetsu Inada
English: Patrick Seitz
Franken Stein is the demon world scientist who is feared for his strange experiments on demons and for creating Akimu Papladon.
Franken resembles the Frankenstein monster, with light grey skin, curly black hair, and a lab coat.
Franken has a unique personality. He enjoys experimenting on demons, or any other special species that exists, just to create an even more powerful creature, however he is a man of his word. He tends to keep his promises, even though he leaves certain things out without telling anyone.
Not the strongest person, Franken use his brains and clever mind to trick people and create powerful creatures to serve him.
Creation: Akimu Papladon