Tandemaus and its evolution Maushold became instant sensations upon the release of Pokémon Scarlet and Violet due to their unique 'family' concept and the mysterious way they evolve. Unlike most Pokémon, Tandemaus evolves into Maushold without a transformation animation, simply appearing as a group of three or four mice in the player's party. This led to a wave of memes regarding sudden parenthood and the devastating power of their signature move, Population Bomb. The meme is typically used to represent groups that multiply unexpectedly or to contrast their adorable, minimalist aesthetic with their terrifying competitive strength in the game's meta.