Loo Loo Land is the theme park setting of the second episode of Helluva Boss's first season, where the park's bright, carnival-style music underscores its cheerful yet demonic atmosphere. The tune was shared online as a standalone clip because its catchy, slightly unsettling sound works perfectly outside the episode, and fans began reusing it for theme park parodies, horror edits and ironic happy moments. It remains popular because that contrast between a sunny jingle and a dark setting is instantly recognisable, even to viewers who have not seen the show.