Garou is the Hero Hunter antagonist in One Punch Man, the manga series created by ONE and illustrated by Yusuke Murata. His Cosmic Fear Mode form appears during his climactic battle with Saitama after receiving power from God, turning him into a cosmic, star filled threat. Clips tied to that transformation spread through anime edits, TikTok, and power scaling communities, often alongside other iconic power moments like Mangekyo Sharingan reveals. The sound endures because it instantly signals a god tier escalation without needing any explanation.