|Affiliation||Hell, Koutarou, Detective Agency|
|Anime Debut||Season 1, Episode 7|
Gusion is a monkey demon who has a contract with Koutarou whom the later sacrificed the memories of his grandfather to form a contract with him. He was one of Solomon's 72 demons.
Chibi Form Edit
Gusion has the appearance of a flying monkey in his chibi form.
Hell Form Edit
In his Hell form he also has of a giant monkey.
Powers and AbilitiesEdit
This ability allows him to eat the memories of others, especially fond memories. Gusion is also able to spit back the memory he has eaten.
Apparently his ability doesn't work against Akutabe.
- He represents 'Sloth' of the seven deadly sins.