Luigi first appeared in Nintendo's Mario Bros in 1983 and has long been played as Mario's taller, more anxious younger brother. Online, that underdog image turned him into a meme favorite, with fans creating fake parties, armies, and fan clubs around him on TikTok and other social platforms. The repost to join format copies chain post captions, treating a share as a ticket into the group. This sound condenses that joke into a few seconds, which is why it keeps circulating in gaming edits and comment threads.