Tralalero Tralala comes from the Italian brainrot wave that spread across TikTok in 2025, a trend built around absurd AI-generated characters paired with rhythmic Italian chants. The character is a three-legged shark in sneakers, and its sing-song name became a shorthand for the whole surreal style. Clips, edits, and remixes carried it beyond Italy, and it is still used because the chant is instantly recognisable, easy to drop into short videos, and funny even without understanding the words.