Кадзанамі Хаяте

Kazanami Hayate is the male protagonist of Buddy Go!. He is the youngest in his family, with his oldest brother being Ayato of Tag. He shares a friendly rivalry and romantic relationship with Ai.

Hayate is said to be a womanizer, or someone who "likes pretty girls". He first sees Ai as a rival, but grows to care for her after realizing her gender.