Eevee was introduced in the first Pokemon games in 1996 and quickly became one of the series most recognisable creatures because it can evolve into many different forms. Its short cry became familiar through the games and the animated series, where the sound signals curiosity and affection rather than a battle attack. Clips of the noise later spread on soundboards and short video edits, where fans pair it with real pets and cute characters. Its lasting popularity comes from that mix of nostalgia and instant recognisable cuteness.