Tralalero Tralala is one of the best-known characters from the Italian brainrot trend that spread across TikTok in 2025, a wave of AI-generated animals given absurd Italian names and rhyming introductions. The character is a great white shark with three legs wearing blue sneakers, and its name is chanted in a rhythmic, almost musical style that helped the clips travel beyond Italian-speaking audiences. Because the phrase is easy to repeat and instantly recognisable, it became a shorthand for the whole surreal trend and continues to appear in edits, remixes and reaction videos.