Sephiroth debuted as the main antagonist of Final Fantasy VII in 1997, and his theme One-Winged Angel made chanting his name instantly recognisable to RPG fans. Sky Williams, a gaming creator known for loud, comedic commentary, turned that reference into a standalone reaction clip. It spread on soundboards and in gaming edits because the name alone signals a final boss, letting creators borrow that menace for jokes, entrances, and fake epic moments online.