Special Power: Pacifier
Anime Show: Ghost Fighter
King Enma Jr., usually addressed as Koenma is the son of spirit realm ruler King Enma, and the one who takes responsibility of his father's work when he's away. Koenma usually appears as a toddler with a pacifier in his mouth, though he is said to be at least 700 years old. He can also transform into a young adult form, retaining his pacifier and the letters "Jr" on his forehead. Koenma acts as Yusuke's boss, assigning his cases.