Giga Bowser first appeared in Super Smash Bros. Melee in 2001 as a larger, more menacing version of Bowser, the main villain from Nintendo's Mario series. He later returned as Bowser's Final Smash transformation in later Smash games, which helped cement the design and his deeper roar in players' minds. Clips of the sound spread through gaming videos and soundboards, where fans isolated the bellow from gameplay. It remains popular because it instantly signals a boss-level threat, even when paired with something small or silly for contrast.