Hibird is a small, yellow bird that plays a unique role in the anime series 'Katekyo Hitman Reborn!'. It is often seen accompanying Hibari Kyoya, the leader of the Namimori Middle Disciplinary Committee. Hibird is known for its ability to sing the Namimori Middle School anthem and mimic words, often repeating phrases said by Hibari. Despite its small size, Hibird is a loyal companion and provides comic relief in the series, adding a lighter touch to the often serious and action-packed storyline.