Regigigas is a Legendary Pokémon introduced in Pokémon Diamond and Pearl on the Nintendo DS in 2006. Its distinctive in-game cry became recognizable among Pokémon fans for its deep, synthetic texture and unusual rhythm. Over time, that cry spread through YouTube edits, gaming memes and short-form videos as a dramatic cue for something enormous or intimidating. It still gets used because even outside Pokémon contexts, the sound instantly suggests ancient power, awkward grandeur and a slightly ridiculous level of menace.