The line comes from the rivalry between Magneto and Professor Charles Xavier in X-Men, where the two former friends often clash over how mutants should survive. In its Portuguese form, Você é um tolo, Charles became shareable as a short soundboard clip in Brazil, passed around in chats and meme edits. Its appeal is the contrast between a serious superhero confrontation and an everyday insult, which lets users reuse a dramatic movie-style moment for small mistakes, bad opinions and playful arguments among friends.