Indigo

Indigo is a doctor who serves under Shiki.

Appearance
Indigo is an indigo haired doctor with a clown-like appearance. He wears a large yellow polka dotted indigo scarf and indigo striped shoes. He also wears indigo overalls and a lab coat over them

Relationships
Indigo shares a rather humorous relationship with Shiki. Whenever Shiki says or does something stupid, Indigo acts as a straight man and slaps him. After which they both present themselves to others like a typical comedy duo after a joke.

Abilities and Powers
Indigo appears to be a chemist of sorts. He seems to be in charge in the development of Shiki's scheme. He is probably a formidable fighter as, during the the Battle of Edd War, he fought with Shiki against Roger's crew armed with pair of florence flask with chemicals inside.