Tralalero Tralala emerged in early 2025 as part of the Italian brainrot wave on TikTok, where surreal AI-generated animals were paired with rhythmic Italian narration. The character is a great white shark with three legs wearing blue sneakers, and the chant became its signature sound. Short clips pairing the shark with the chant spread quickly through edits, remixes and reaction videos, helped by its simple, repeatable rhythm. It remains popular because the phrase is instantly recognisable, easy to quote and perfectly suited to absurd, fast-paced internet humour.