The outright leader of the Teenage Mutant Ninja Turtles (TMNT), Leonardo is the eldest among the siblings and is distinguished by his blue bandana / mask.
Leonardo's weapon of choice is a couple of katana swords - a type of Japanese longsword having a single edge and slight curvature. Just like the other Ninja Turtles who were named after the Italian Renaissance Masters, Leonardo's namesake is Leonardo da Vinci.
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