Dr. Masacrik is a tall and skinny young looking man with pink hair who wears a lab coat over his blue shirt and shorts in addition to wearing some eye-catching high tight socks with a heart pattern. Regarding his personality, he is a psychopath who enjoys any kind of violence and creating experiments (which according to him, is "art"), shows signs of being egocentric, and often manipulates and mistreats Mimi without regret, showing an abusive obsession towards her.