Pluto was born and raised in Sleport City. His parents were absent most of his life, leaving him in the care of various babysitters. He began to grow interested in things such as horror and technology, often finding ways to combine the two. Often times he would create machines that would dissect animals for him. This unsettling nature was picked up by one of his babysitters who happened to be an assassin in disguise. She took him under his wing and trained him to be a great assassin before he suddenly turned on her one day and killed her in cold blood, taking her spot as the top assassin.

Current Life

Pluto is currently attending everyday high school and adapting his life to fit his busy schedule. Learn by day, kill by night. He wears thick layers of black fabric to mask his identity and tends to lure in victims with his charismatic and friendly demeanor before swiftly murdering them. This has given him the nickname of "Black Hole." Other assassins know nothing about the true identity of him and many are afraid to find out. Rumors have begun to spread about him being one of the previous top assassins who went missing years prior. Others suspect nothing of him being merely 16 years old.