Cebolinha is a well-known character from the Brazilian comic series Turma da Mônica, created by Mauricio de Sousa, where his playful speech and mischievous personality made him a fan favourite. The phrase valeu pelo donate, galera mixes his Portuguese catchphrase style with streamer slang for thanking viewers for a donation. Shared through Twitch clips and soundboards, it spread among Brazilian streamers who wanted a familiar, funny thank-you for live donations, and it remains popular because it instantly signals appreciation in a community voice.