Elphaba is the protagonist of Wicked, first created in Gregory Maguire's 1995 novel, then defined for most audiences by the 2003 Broadway musical and the 2024 film starring Cynthia Erivo. The name alone carries strong recognition among musical-theatre fans and TikTok creators, which is why short clips filed under it circulate as reaction sounds even when the audio itself is just a brief sting. Like many character-name sounds on meme soundboards, its staying power comes from the fandom, not from a single viral video.