Hardworking, honorable and respectful, Leonardo is the Turtle's fearless leader. Like other incarnations, Leo is a perfectionist. He often tries to compare himself to the main character of ' Space Heroes', Captain Ryan, which annoys his brothers. Leo does his best to lead the team, but he sometimes second-guesses himself and his constant sibling rivalry with Raphael can cause problems for the team and puts a strain on his relationship with Raph.

He is the wisest, most experienced and balanced of the team and demonstrates many important qualities needed in a leader. He also tries too hard to act like a hero and says cheesy lines, which annoy Mikey, Donnie and Raph. Leo loves 'Space Heroes' and tends to try to be like the hero on there, much to the annoyance of his brothers. Unlike all his incarnations, Leo is somewhat a sci-fi geek, aside from Donnie. He is very protective of his siblings and is willing to do anything for them. Leo is the most mature out of all his brothers, aside from Donnie, always acting like a guide and sometimes even a parent to his brothers. He was chosen to be the leader because of his willingness not by his skill. Overall, Leo acts as a big brother to the turtles and as a teacher's pet to Master Splinter. Show called ' Space Heroes' and wants to be just like the captain he sees on T.V. He has a lot of responsibility on his hands, which can sometimes overwhelm him. Leo is the most serious and disciplined out of all the turtles and is of course their leader. Like the intro states he is the leader and makes the commands which sometimes bothers his brothers especially Raph. His height ranges between Raph and Donnie's. Like Raph, Leo doesn't have much changes to his physical appearance like all his previous incarnations, except for the fact that his green skin is slightly darker than the others. He wears a blue mask where the tails length range between Donnie and Mikey's. Leo is an emerald green colored mutant turtle with sapphire blue eyes. Leo and his brothers were named after great Renaissance artists from a book Splinter fished out of the storm drain. Knowing the world would be dangerous and there would be a time where they want to explore the outside world, Splinter trained the boys in the art of Ninjitsu. Splinter knew they would never be accepted in their urban society, so he took them to the sewers, made a home down there, and made the four turtles his children. Yoshi, having to have stepped on that rat, thus mutated into a humanoid brown rat by the name of 'Splinter', while Leo and his brothers, after coming in contact with Splinter when he was human, mutated into humanoid turtles. In the end, the Kraang dropped the canister of Mutagen they were holding, causing the turtles and Yoshi to mutate. The Kraang found him and attempted to kill him, but Yoshi fought back hard. Unfortunately, Yoshi gave away his position when he accidentally stepped on a brown rat's tail. When their soon to be father walked passed a strange man, a Kraangdroid, he felt something odd about him and followed. Leonardo and his brothers were once ordinary turtles: when they were infants, they were adopted from a pet store by Hamato Yoshi. He tends to be hard on himself, but his diligence does not go unnoticed he is the favored student of Splinter, whose approval he very much craves. He's the most driven of the four Turtles, training and studying relentlessly. It's the gap between his aspiration and current situation that is the greatest source of frustration in Leo's life. Unfortunately, he's an inexperienced teen (for the moment at least) with three smart-aleck brothers. The leader of the Turtles, Leonardo aspires to be a brave, decisive, perfect hero. But nothing can get in my way in protecting my family.'

Not that my brothers aren't good, I'm just better. Master Splinter picked me to lead because I eat, sleep and breath Ninjustu. I've got 3 rowdy brothers who always give me a hard time.

8 Powers, Abilities, Weaponry and Skills.

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