

The 'Who's That Pokémon?' meme is a series of exploitable images and videos that humorously spoof a segment from the animated TV series Pokémon. In these parodies, viewers are initially presented with a silhouette of what appears to be a Pokémon, which leads to an often humorous reveal. This reveal can range from showing an unexpected Pokémon to displaying entirely unrelated characters or objects that starkly contrast with the anticipated Pokémon reveal.
The phrase and concept for 'Who's That Pokémon?' originated from an eyecatch segment in the Pokémon TV series, which started airing in 1997. This segment, detailed further on Bulbapedia, featured before and after commercial breaks to engage viewers with a mini-quiz guessing game based on Pokémon silhouettes. The meme first appeared online on YTMND on May 6th, 2004, with the first edited version surfacing later on June 24th, 2004, on this YTMND page. This early meme iteration humorously substituted the expected Pokémon silhouette with an inappropriate drawing, accompanied by the soundtrack saying 'Who's that Pokémon?'.[1]
Origin: 1997