Despite his rough exterior, he does have integrity and a gentle side he rarely shows. He has a stoic, ruthless, controlling personality, constantly using violence as a means to reach his goal. As a result, Mink hardened and distanced himself from personal attachments. Mink broke out and began plotting his revenge on Toue for his people's massacre. Toue, who mistook the purpose of the plant's effect as mind manipulation, slaughtered Mink's tribe in his attempts to obtain them, and Mink was captured and brought to Midorijima to be experimented on. Mink hails from a Native American tribe that grew special herbs that affect a human's body odor to give them a sense of peace. Mink ( ミンク Minku) is the leader of Scratch, a Ribstiez group of former prison inmates.In the English dub of the anime, he is voiced by Corey Hartzog. His inability to feel pain also causes him to be reckless, and he eventually turns to playing Rhyme aggressively in order to feel the illusion of pain. Due to this, Noiz is apathetic to the world around him and bases everything on cold logic, though he can be immature. His wealthy parents regarded him as a disgrace and imprisoned him in his room for years until he ran away from his home in Germany. Since he was a child, Noiz suffers from CIPA, causing him to accidentally hurt others.
Noiz ( ノイズ Noizu), real name Wilhelm ( ウィルヘルム Uiruherumu), is an information broker for Rhyme, a skilled hacker, and the founder of his Rhyme group, Ruff Rabbit.In the English dub of the anime, he is voiced by David Matranga. He is voiced by Hiroki Takahashi, and by Eiji Miyashita as a child. Koujaku is a bit of a womanizer, and is incredibly popular with girls. Despite his dark past, he retains a positive and gentle personality. After undergoing a painful tattooing process, Koujaku was taken over by his tattoos' special effects and mindlessly killed his family. He was the illegitimate son of a yakuza leader and was the only heir, causing him and his mother to leave Midorijima when he was young. Koujaku is compassionate and strong-willed, and he cares deeply for his loved ones. He has many tattoos and scars on his body, and works as a hairdresser. Koujaku ( 紅雀 Kōjaku) is Aoba's childhood friend, and the leader of a Ribstiez group named Benishigure.In the English dub of the anime, he is voiced by David Wald. Originally, Ren was a part of Aoba's consciousness that was created to keep the balance between Aoba and his other personality that wishes for destruction. Despite being an older Allmate model, Aoba considers Ren to be his important partner and cherishes him like family. Ren has a mature, patient, and pragmatic demeanor. Ren ( 蓮) is Aoba's Allmate, who resembles a dark blue Japanese Spitz.In the English dub of the anime, he is voiced by Gabriel Regojo and by Cayla Coats as a child. He is voiced by Atsushi Kisaichi, and by Hiroko Miyamoto as a child. The 'other Aoba' desires chaos and destruction, and has shown to be sadistic and masochistic. Inside of Aoba lies another persona that represents Scrap, who usually comes out whenever Aoba is emotionally distressed. Aoba has a caring, honest, and open-minded personality, but is noted by Ren to have a short temper.
Aoba has a special ability called SCRAP, which allows him to mix his consciousness with other people's through his voice and use it to control them, though he can also destroy them and leave the victims in a comatose-like state. He works part-time at a junk shop called Mediocrity, and lives with his grandmother, Tae.