He is one of the Ninja Turtles. As the oldest, most cautious, and wisest of his brothers, he is a mutant turtle that wears a blue bandanna and uses Katana Swords as his signature weapons. Leonardo is the oldest, wisest, and most cautious turtle.He always plays by the rules. He also bears the great burden of being the team's chosen leader. Wearing a blue bandanna, with his katanas at the ready. He is now the King of Arandell alongside with his wife, Elsa