He is fiercely loyal to his brothers and sensei.

His ninja gear is royal purple with dark grey details. He wears a purple eye mask and fights with a high tech bo staff. He is the brainy pacifist who has intimate knowledge of his inventions and can coordinate on a complex level of thought. Donatello - Donatello ('Donnie' for short) is the second-oldest of the four and the tech dork of the team.His ninja gear is sapphire blue with dark grey details. He wears a blue eye mask and fights with two katana swords in battle. He is the courageous, idealistic and enthusiastic perfectionist who is very loyal to his adoptive father and sensei Master Splinter. Leonardo - Leonardo ('Leo' for short) is the oldest of the four and the leader of the team.The story follows four mutant turtle brothers: Leonardo, Donatello, Raphael and Michelangelo.