Chaves is the Brazilian Portuguese version of El Chavo del Ocho, the Mexican sitcom created by Roberto Gómez Bolaños that became a lasting television staple in Brazil. Its dubbed dialogue, catchphrases and classroom scenes have lived on through reruns, fan edits and short audio clips shared in chats. This line is circulated alongside other Chaves reactions, including material associated with Professor Girafales, and it survives because the question is instantly reusable whenever someone says something hard to believe.