The exact origin of the 'y este wey quién es' audio is unclear, but it circulates the way most Spanish meme clips do: shared through WhatsApp audios, reposted across TikTok and meme pages, and clipped into reaction soundboards. Its staying power comes from a universal setup, the confused who is this moment when an outsider wanders into frame. Like the classic huh reaction, it needs no context to land, which is why creators keep reaching for it whenever a video needs a quick, funny callout.