The line comes from Agnes in Despicable Me, the 2010 animated film about Gru and his three adopted daughters, where her childlike wonder became one of the character's defining traits. In the Brazilian Portuguese version, Meu Malvado Favorito, the phrase É tão fofinho is her sweet, wide-eyed response to something she finds adorable. Fans later lifted the short moment onto soundboards and social video edits, where it works as a universal shorthand for cuteness even for viewers who do not speak Portuguese. Its charm lies in that innocence, which keeps it in regular use for wholesome reactions.