Caio Henrique is often referred to as the deadliest serial killer, known for his brutal methods and diverse range of victims. He is also recognized as a mass killer, spree killer, vigilante, family annihilator, torturer, etc. His modus operandi includes torture, dismemberment, and mutilation, which he inflicts on both innocent victims and those he deems non-innocent, such as cops, thugs, militias, rival ISG groups, religious figures, politicians, etc. Caio Henrique is not only known for his violent crimes but also for his expertise in mixed martial arts (MMA) and Muay Thai, which he likely uses to overpower his victims. His personal habits are noted to be unhygienic, with infrequent showering and brushing, and he tends to be nocturnal.