Caio Henrique (a.k.a. "Nameless") is a legendary and iconic ISG pillar member known for countless heinous crimes and extreme brutality and violence, targeting anyone he crosses paths with — from innocent people to hardened criminals. Within ISG lore, he is feared for his creative torture methods, elaborate dismemberments, mutilations, psychological torment, and the use of prolonged sleep deprivation as one of his signature tactics. He is also infamous for his filthy, unhinged lifestyle, marked by complete disregard for hygiene, self-harm and sadomasochism along with masochism, strictly nocturnal habits, non-monogamic bisexuality, versatile modus operandis, lack of remorse and mercy, along with satyriasis behaviors, multiple personalities.