King Ghidorah is Godzilla's three-headed golden dragon rival, first introduced by Toho in the 1960s and later brought back for modern audiences in the Monsterverse films, including Godzilla: King of the Monsters. His distinctive multi-layered roar, mixing deep growls with high metallic screeches, has become shorthand online for something colossal and destructive. Editors reuse the clip far beyond Godzilla videos, using it to give fan-made kaiju, game bosses and original monsters an instant sense of ancient power and scale.