Leonardo

Leonardo - named in honor of the great artist of the Renaissance Leonardo da Vinci - is the most senior of the Turtles and typically presented as their leader due to his commanding personality and serious nature. Among his brothers, he is the most ordered and disciplined, and also possesses a strong bond with his father/mentor Splinter. He is often depicted as wearing a blue mask and wielding twin katanas.

Non-Fiction People

 * Leonardo Ito, comic book colorist