Tommy is the most powerful and proficient teenage serial killer in London. Training since age 12, he has grown a reputation for being an emotionless superhuman who shows little to no mercy. He was born with hair made of ink, which bleeds out when he is insane or gets hit in the head. He is known as the leader of the Black Friday Crew, caring for his crew members and teaching them the ways of a killer.

Corey is a small teen with a twisted mindset. He struggles with bipolar disorder. Despite his cowardice, he's got the brains and the brawn. Years of torment from his mother would make Corey a young criminal at just age 13. Three years later, he still hasn't changed. He is known as the Joyful Member, not for being happy, but because of his manic depression.

Clyde is a man with half his brain made of metal. For the majority of his life, his adoptive father made him participate in dangerous experiments, which would lead him into the homicidal humanoid he is today. All of the trauma he faced would make him insecure and arrogant. He is the Trigger-Happy Member for simply being the most violent and reckless.

Levi is a tall and mute figure with a deadly approach. He used to live in Oxford, England, but one day, he ran away from home because he was never good enough for his parents. To prevent the police from finding him, he left his hometown to pursue a criminal life in London. He is often seen as a shy but strong figure. He is known as the Silent But Deadly member for covering up his crimes very quickly.

Grey is a bookworm and a straight-A student at Hellbent High. After sucking up years of abuse from his family, he moved out of his home to pursue another life. Sometimes, he might be nervous and overthink, but that doesn't stop him from saving the day. He is known as the Double-Trouble Member because he is twice the amount of trouble for his enemies. 

Raincoat Kevin is the lead singer of the famous pop-punk band called The Raincoat Boyz!. Underneath his flamboyant, carefree personality, he holds a dark past. Throughout his life, he suffered through years of neglect and abuse. Instead of letting his trauma inflict him, he found hope and optimism by playing music. In 1999, he found a band that gave him confidence and inspired others like him to follow their dreams.

Raincoat Richard is Kevin's best friend and the drummer for The Raincoat Boyz!. He is the exact opposite of Kevin: Moody, blunt, and refusing to follow proper social expectations. When his friend is in a time of crisis, he is always there to help him out. Despite his childhood filled with death and loss everywhere he went, he didn't let that affect his confidence to get on stage. 

Raincoat Asher is the EDM mixer and the newest addition to the Raincoat Boyz!. Originally hired in 2005 when Richard was lost in Las Vegas, Asher acted as the bassist and songwriter. He is emotionally intelligent, displaying sympathy for others and is willing to help others when they need it. His main goal in life is to improve his EDM skills and his social awkwardness. 

Stephanie is the bassist and the producer for the Raincoat Boyz!. Both Kevin and Richard have an overwhelming crush on her. Her job is to make the Boyz get along. She might look like a regular woman, but she has a black belt in martial arts and takes her skills seriously. Even though she doesn't consider herself a Raincoat Boy (because she's a girl), she does help a lot around the studio.

The smartest man in London carries a psychotic grin everywhere he goes. Tired of being seen as a failure by the UK government and the people he holds dear to him, Professor EXE seeks vengeance on the city that wronged him. His seemingly chaotic and joyful attitude often belies his cynical and morbid vision of life, which makes him truly unpredictable.