Kiyomasa Senji Friends

Azami Mido is one of first inmates of Deadman Wonderland that Ganta interacts with. She also becomes a part of the Forgeries.

The only survivor of a massacre by the Red Man. This gets him framed and imprisoned in Deadman Wonderland, where he learns that he is a Deadman.

Idaki Hitara is one of the older prisoners of Deadman Wonderland. He is a deadman who is a resident of Sector G.

One of the members of Scar Chain. Karako is able to use her Branch of Sin to wrap blood around her body to increase her physical strength while using the Wushu martial art style or defend herself.

Kyoko Kasuga is the assistant to Chief Guard Makina in Deadman Wonderland. She helps out Makina wherever she can to help maintain order.

Prison's Senior officer

Masaru Sukegawa is one of the prisoners in Sector G. He is also a deadman with the power to create bramble weapons.

A mysterious albino girl who is locked in Deadman Wonderland. She was a childhood friend of Ganta until she was forced into an experiment that caused her to become the Wretched Egg an alter ego of mass destruction thanks to Rinichiro Hagire.

Toto Sakigami is a mysterious, young Deadman of incredible power that can copy of abilities of other Deadmen. His body is controlled by Rinichiro Hagire,the director of Deadman Wonderland.