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This article is about the 2023 incarnation of Leonardo. For other versions of the character, see Leonardo (Teenage Mutant Ninja Turtles).

Master Splinter has given us a very important mission for tonight. The target is across the street. We must use stealth and cunning to infiltrate human world and retrieve Go-Gurt.
―Leonardo


Leonardo "Leo" is the main protagonist of the 2023 animated film Teenage Mutant Ninja Turtles: Mutant Mayhem. He is the leader of the Ninja Turtles and the brother of Raphael, Donatello and Michelangelo. They were taught mixed martial arts by their adoptive father and sensei, Splinter. Leo uses Katana blades to defend himself from his opponents.

Biography[]

Background[]

When Leo and his brothers were infants, Splinter and the four turtles were doused by a canister of mutagen, and, through evolution, became anthropomorphic beings. Splinter adopted all four of the turtles, and taught them martial arts through Jackie Chan movies and internet tutorials. The group lived in the sewers of New York City, but remained hidden from humans,

Teenage Mutant Ninja Turtles: Mutant Mayhem[]

Personality[]

Being the oldest of his brothers, Leo is the most mature of the Turtles. Because he is the leader, he keeps his cool most of the time. However, he freaks out if one of his brothers are in danger. He also does not hesitate to protect New York City from Superfly.

His deepest desire is tobe accepted into human society and get a girlfriend, developing a crush on April O'Neil. However, she just sees him as a friend. At the end of the movie, Leo and his brothers are hailed as heroes and go to high school. Leo aids April in her investigations against TCRI, and prevent Cynthia Utrom from creating more super soldiers and save the world. .

Physical Appearance[]

Leonardo is a mutated turtle with brown eyes and lime green skinned. However, when he is fighting, Leo's irises disappear, turning his eyes white like his 2003 and 2012 incarnation. He is the second tallest of his brothers, being shorter than Raphael. Leo wears a blue mask, cloth around his elbows, knees and wrists. His belt is dark with his initial printed in yellow on a round buckles. Leo always wears his katana on his back

Powers and Abilities[]

  • Skilled Swordsmanship: Leo became a master swordsman at a young age and his main weapon of choice is a Katana

Trivia[]

  • This is the first incarnation of Leonardo to be performed by an actual teenager instead of an adult. Seth Rogen, the writer and producer of the film, believed that the teenage aspect is always forgotten.

Quotes[]

We eat danger for breakfast.
―Leonardo


Navigation[]

Series
Characters
Comics

Mirage Comics: Teenage Mutant Ninja Turtles (Leonardo, Raphael, Donatello, Michelangelo)April O'Neil, Casey Jones, Splinter, Hamato Yoshi, Utroms
Archie Comics: Golani
IDW Comics: Leonardo, Raphael, Donatello, Michelangelo, April O'Neil, Casey Jones, Mona Lisa, Jennika, Hamato Yoshi, Utroms, Angel, Alopex, Venus, Shredder (Mirage, Archie, IDW, Doctor Shreddarius & Lady Shredder), Foot Clan, Foot Elite, Karai, Ch'rell, Baxter Stockman (Archie & IDW), Krang (Archie & IDW), Hun (IDW), Purple Dragons, Adolf Hitler, Ninjara, Slash, Leatherhead, Triceratons, Commander Mozar, Zanramon, Shredder Clones, Tokka & Rahzar, Master Traquer, Alopex, Kitsune, Koya, Bludgeon, Rat King (IDW), Agent Bishop, Bebop and Rocksteady, Savanti Romero, Skonk, Darius Dun, Tatsu, Master Sliver, General Tragg, Dragon, Null (IDW), Maligna (IDW), Craniac, Armaggon, Old Hob, Johnny Lee Raeburn, Punk Frogs, Jasper Barlow, Oroku Hiroto

Television
1987 TV series: Leonardo, Raphael, Donatello, Michelangelo, Splinter, April O'Neil, Irma Langenstein, Casey Jones, Fugitoid, Buffy Shellhammer, Mona Lisa, Karai, Renet
2003 TV series: Teenage Mutant Ninja Turtles (LeonardoDonatelloRaphaelMichelangelo)SplinterApril O'NeilCasey JonesHamato YoshiUtroms (Mortu)KaraiLeatherheadAgent BishopFugitoidTraximusZogMiyamoto UsagiNanobotsRenetJustice ForceThe Ancient OneThe Ninja TribunalCody JonesSerlingStarlee Hambrath
2012 TV series: Leonardo, Raphael, Donatello, Michelangelo, Splinter, April O'Neil, Casey Jones, Karai, Ice Cream Kitty, Dr. Cluckingsworth, Fugitoid, Bishop, Slash, Leatherhead, Dr. Tyler Rockwell, Pigeon Pete, Mona Lisa, Sal Commander, Utroms, Metalhead, Shinigami, Miyamoto Usagi, Mondo Gecko, Muckman, Jack Kurtzman, Alopex, Renet, Zeno the Triceraton, Bebop, Rocksteady
Rise of the TMNT: LeonardoDonatelloRaphaelMichelangeloSplinterApril O'NeilTodd CapybaraFrankenfootPiebaldKarai

Movies
Batman vs. TMNT: Leonardo, Michelangelo, Donatello and Raphael, Batman, Robin, Batgirl, Foot Clan (Shredder & Baxter Stockman), League of Assassins (Ra's al Ghul, Ubu & Talia al Ghul), Joker, Harley Quinn, Scarecrow, Mr. Freeze, Poison Ivy, Bane, Two-Face, Penguin, Mutant Elephant, Mutant Tyrannosaurus rex
TMNT 1, 2, 3 & TMNT (2007): Teenage Mutant Ninja Turtles (Leonardo, Donatello, Raphael, Michelangelo), Splinter, April O'Neil, Casey Jones, Danny Pennington, Keno, Jordan Perry, Mitsu, Max Winters
TMNT (2010 films): Leonardo, Splinter, Raphael, Michelangelo, Donatello, April O'Neil, Casey Jones
Rise of the TMNT: The Movie: Leonardo, Donatello, Raphael, Michelangelo, Splinter, April O'Neil , Casey Jones
Teenage Mutant Ninja Turtles: Mutant Mayhem: Leonardo, Donatello, Michelangelo, Raphael, April O'Neil, Superfly, Genghis Frog, Leatherhead, Bebop and Rocksteady, Wingnut, Scumbug, Ray Fillet, Mondo Gecko, Cynthia Utrom, Shredder

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