Tio Patinhas is the Portuguese name for Scrooge McDuck, the wealthy Disney duck famous for swimming in money and guarding his fortune. The name has long been used in Brazil and Portugal as shorthand for anyone who is rich, stingy or obsessed with cash. Online, short shouted versions of the name became a reusable reaction for money moments, turning the character reference into a quick punchline that needs no explanation for Portuguese-speaking audiences familiar with the nickname.