Godzilla first appeared in Toho's 1954 film Godzilla and his atomic breath quickly became his signature attack. Across the Japanese films and the later American MonsterVerse movies, the moments before he fires are marked by his dorsal plates glowing and a rising charge sound building in pitch. Clips of that build-up spread widely online as a standalone effect, detached from any single film, and creators now reuse it whenever a character, animal or object needs to feel like it is powering up to kaiju scale.