Also known as Gil or Raven. He is Oz's best friend and loyal servant. Oz is his most important person, for whom he is willing to sacrifice anything; this protectiveness is compounded by the fact that he was brainwashed by Miranda Barma to protect Jack Vessalius (and therefore Oz, who is his medium) even if it means killing. When Gil is drunk, he reverts to his fourteen-year-old self, an insecure crybaby. He cares deeply about the hat that Ada gave him. He is a great cook, terrified of cats, unable to quit smoking in eight attempts, and constantly afraid that as Oz grows, he will be left behind.

The Demon Lord of Hell, Lucifer was told by God that he was born with only one reason - to become the Prince of Darkness and rule the demons. As revenge, Lucifer planned to rape Alexiel, believing that she was God's "beloved daughter," but soon fell in love with her, and, though he tried to, could not follow through with his plans to rape her. After God imprisions Alexiel in Eden, Lucifer returns from Hell to release her. As punishment for this, God extracts his soul and places it within Nanatsusaya Mitamanatsurug, a seven-bladed sword.

Senji, nicknamed Crow, is the first Deadman Ganta encounters while held as an inmate in Deadman Wonderland. Confined in Level G for his ferocity, he is depicted as a tall, powerfully built man which revels in bloodshed and battle, a fact which helps him enjoy his life in prison and the Carnival Corpse matches. He is the first opponent Ganta faces off against, and apparently dominates their entire battle until Ganta suddenly defeats him with a powerful blood shot to the chest. Being defeated, as a penalty Senji is stripped of his right eye, though he reappears shortly after and somehow befriends Ganta, christening his power as the Ganta Gun and helping him by encouraging him during his next match. His Branch of Sin power has its blood turning into incredibly sharp scythes that protrude from his forearms, the Crow Claws, with which can perform an attack at the speed of sound he dubs Invisible Black. Also, he becomes greatly embarrassed when in the presence of women with risque clothing, often to the point of ridiculing himself.

Kim Han worked in Korean government as a medical practitioner, but since has been labeled a serial murder for conducting autopsies, and thus exiled to Kyokudo.

Heat is a crime story featuring a young man named Tatsumi Karasawa who suddenly rises in the criminal world of Shinjuku, Tokyo, and becomes the leader of a group of amateurs who show no reluctance to face police and gangs alike. His successes in the Tokyo underground make a chief and a yakuza boss plot a conspiracy to eliminate him.

Lucifer