Koenma normally appears as a toddler with a red obi sash tied at the waist of a pink-trimmed blue robe over brown pants and black shoes. In his first appearance in the manga, Koenma was seen weari… See more

Being a prince, Koenma has many subordinates, especially Jorge Saotome. He is (mostly in his toddler form) normally … See more

Pacifier: Koenma's powers rely solely on his pacifier, into which he has transferred his Spirit Energy, in order to conserve his power for darker times. See more

Mafuukan (魔封環, Ma Fū Kan, lit. Demon Seal Ring): Also known as the Conscience Ring and the Wicked Seal, Koenma's pacifier is the vehicle for this technique; the strongest defensive spell in all of... See more