Billy Herrington was an American wrestler and adult film performer whose footage became the centre of Gachimuchi, a Japanese remix meme built around wrestling videos, exaggerated reactions and repeated vocal clips. Within that community he was called Aniki, meaning older brother, and short excerpts of his voice were reused in countless parody edits and music mashups. As those videos spread beyond Nico Nico Douga to YouTube and TikTok, the sounds became shorthand for masculine bravado played for comedy. They remain popular because the reference is instantly recognisable to meme audiences and the clips are short enough to fit any edit.