The original speaker and recording source of Lulululu are not clearly documented. The clip is best understood as a short viral vocal audio built around repetition rather than a recognizable quotation or narrative. Sounds like this spread through soundboards, meme compilations, short-form videos, and private message exchanges because they work without needing much context. Its simple syllables are easy to recognize, while the extended repetition gives editors several points for cuts, zooms, loops, and escalating visual jokes. That flexibility helps the audio remain useful across different meme formats.