Leonardo

Leonardo is a Mutant red-eared slider, the rebel and the most charismatic of the Ninja Turtles. He wields an Ōdachi sword which possesses "portal power". He is the second youngest turtle.

Trivia

 * Unlike previous incarnations, this version of Leonardo is the rebel and self-proclaimed coolest turtle, instead of Raphael, rather than his normal role as the leader of the team.
 * Ben Schwartz stated in an interview, that if Leo had an Instagram account, that 60 to 70% of his photos would be his brothers caught sleeping or slipping on things.
 * Since he isn't the leader, Leo will be more laid-back than his previous incarnations.
 * Leo also isn't the oldest turtle like in previous incarnations.
 * Since this version of Leonardo is a red-eared slider turtle, he also sports visual marks (red stripes over his eyes and yellow stripes over his arms and legs) which are common and give this species its name.
 * He will be creating catchphrases for the group to use.
 * Leonardo will have the closest relationship with Michelangelo and will be taking him under his wing.
 * He believes that his one-liners "fire up the team".
 * According to a behind the scenes video, Leo is confirmed to have the smarts to be a leader, but seemingly lacks the maturity as he is more interested in enjoying life as a teenager.
 * It is possible that this could foreshadow one of the major changes hinted prior to the series' premiere.