Ivy Hillsburg is a college student at Hope's Peak High. He is known to be deranged, twisted, sensitive, childish, babylike, gassy, hyper, and goofy. Ivy is known for his twisted and maniacal behavior and actions that stems from his abusive past. He was constantly abused by his drunk mother and strict father, and constantly gets tormented and beaten by other kids at school. His hair is also unconditioned nor cared for because of his parents neglection of his own hygiene. Ivy also lost his left eye after one of his bullies gouged it out of Ivy's eye sockets, causing him to end up in the hospital and surgically replacing a different eye whose pupil is bright red like that of blood. Because of the never-ending bullying and abuse, Ivy finally snaps. He brutally mutilated his parents in cold-blood and ripping their insides out, killing them instantly, then began to beat up the bullies who tormented and humiliated him all his life. This was when he was in 7th Grade. When police found out about Ivy's murderous act against his parents, they arrested him and Ivy was given a sentence of 5 years in prison without the possibility of parole. Upon release, Ivy was given a home at Hope's Peak High's boys dorm by granting him into the campus as a college student. Ivy was used to be given cold stares and always express his insane personality towards his peers and teachers. He also loves to torment others as he was before. However, as time went on, Ivy became more childlike in nature and struggling in his mind if he's still the good boy he was or if he's the bad omen kid for life. Fortunately, Chi Makita, the main protagonist, usually visits him from time to time and Ivy eventually opens up thanks to the comfort he receives from Chi and his friends and family. Ivy and Chi eventually forge a strong brotherly bond with each other that can never be broken, marking him as one of Chi's supportive allies. He also became a little more laxed and laid-back even because of the treatment he never received in his time of youth, eventually stopping his torment against the weak to become his best friends. Even though he has crazy and comical moments, the mad man still has a big heart to share. He even called Kai "Kai-Chan". Ivy was once a wanted criminal in the eyes of the FBI due to an escape from an asylum and becoming the Hook.