Asgore Dreemurr is the king of the Underground in Toby Fox's role-playing game Undertale, released in 2015, and his encounters carry some of the game's most memorable tension. Short clips tied to his name circulate among fans as shorthand for an impending showdown, especially in edits, memes, and gaming videos. Because the character is instantly recognisable to Undertale players, the sound works even without explanation, and it continues to appear whenever creators want a familiar, dramatic signal that something important is about to happen.