Lou Jitsu AKA Splinter rise of the tmnt 2018 number 416626

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Biographical information





Lou Jitsu


Dad/Pops/Father (by his sons)
Splints (by April)



Weapon(s) of choice

Walking staff
Fish (formerly)
Ladders (formerly)


Martial arts movie star (formerly)
Battle Nexus competitor (formerly)
Couch potato


Ninja Turtles

Physical description

Human (formerly)
Mutant Rat (currently)



Hair color

Grey/White (as a mutant)
Black (as a human)

Eye color

Black (as a human)
Yellow sclera (as a mutant)

Out of universe information
First appearance

Rise of the Teenage Mutant Ninja Turtles issue 0

Voiced by

Eric Bauza

Teachers and Students


Splinter, once known as Lou Jitsu, is a former martial arts movie star and the (partially) biological father and sensei to the Ninja Turtles.

Physical Appearance

As a human, Lou Jitsu is a tall and lean Asian man with black hair combed over, black eyes, light flesh-toned skin, and perfect abs.

As a mutant, Splinter is a short, plump rat with grey fur, as well as white fur in his ears, white hair with a section tied into a top bun, white bushy eyebrows and a goatee to compliment. He has golden yellow eyes, a red-pink nose, black whiskers on his cheeks, his arms and legs are pink (with his hands having five fingers instead of the usual four) and a small tear on his right ear. Splinter wears a black hair tie to hold up his white chonmage and a brown yukata with orange trim and red lotus flowers printed on it.


Splinter, unlike his previous incarnations, is laid-back and very lazy. He is absent-minded and has trouble remembering his sons' names, and even refers to them by their mask colors. He also attempts to stir up mischief and trouble with his sons, including stealing the Turtle Tank in "The Fast and the Furriest."

However, he is shown to take action when needed, like in episodes such as "Origami Tsunami" and "Mrs. Cuddles." Also as shown in "The Evil League of Mutants," Splinter deeply cares about his sons and their safety.

Splinter has also been shown to slowly grow more serious as the first season progresses. He deeply cares about the safety of the Turtles, and as a result he is shown to be strict at times. Although his first on-screen training session was viewing a Lou Jitsu tape (which, given the later revelation, was actually a video of himself), Splinter is very serious in training the Turtles to perfect their fighting skills.


He is a descendant of the ones who defeated the Shredder 500 years ago and trained themselves to be warriors to fight against the Foot Clan. However, he didn't believe in the story and decided to use his martial arts skill to become a movie star.

When not starring in his movies, Lou Jitsu participated in the Battle Nexus, where he triumphed over his yōkai opponents.

This attracted the attention of Baron Draxum, who wished to use Lou Jitsu's DNA to mutate an army that would serve him. It was through this process that the Turtles were mutated from ordinary reptiles, making Lou Jitsu the biological father of their human genes. However, he seemingly freed himself and destroyed Draxum's laboratory, causing Draxum to believe that the Turtles had been killed in the fire. He was then mutated to a rat from currently unknown reasons, took the name of "Splinter," and raised the Turtles as his own sons.

Splinter remained unaware of his sons' contact with Draxum and the Foot Clan until the events of "Shadow of Evil." Upon discovering evidence of the Foot Clan, he impersonated a teenager and managed to spy upon his enemies, discovering that they were reassembling the Kuroi Yoroi. Realizing that this foreboded the possible return of the Shredder, Splinter pretended to be a member of the Clan in order to take a piece of the armor. This attempt was thwarted by Draxum and, unwittingly, his sons. Upon escaping without the armor piece, Splinter promised to tell his sons "everything" and stated that they were "way behind" on their destiny.


As reflected in his status as the most popular martial arts movie star of all time, Splinter is a very skilled fighter, capable of defeating all four of his sons at the same time even when out of shape. He has also shown to be an extremely adept improvisational fighter, using items such as fish and ladders as weapons.


"I will never marry any of them off." Mrs. Cuddles

“Hot Soup!”


  • Splinter is voiced by Eric Bauza, the same actor who voiced Tiger Claw in the 2012 TV series.
  • Throughout most of Season 1, it was hinted that Splinter was once Lou Jitsu.
    • Throughout Lou Jitsu's appearances until "Shadow of Evil", he has been credited as "Additional Voices" and not as "Lou Jitsu".
    • Like with most celebrities, he keeps copies of most of his merchandise. But the episode Late Fee suggests he may not keep copies of all his own films, as he had rented one of his films and the episode's plot involved his sons' attempts to return it on time.
  • The name "Lou Jitsu" appears to be a pun of the term jiu jitsu, an old-fashioned variation of the word jūjutsu (柔術), which is the name of a Japanese martial art.
  • Lou Jitsu's human form has a slight resemblance to singer Elvis Presley. However, it might be coincidental.
  • According to an interview, the reason that Splinter looks like he's gained a few pounds is because since there's no Shredder in the new series, Splinter has no exact reason for training the Turtles.
    • However, after they learn about threats such as Baron Draxum and the fact that the Foot Clan is planning to revive Shredder, he begins training the Turtles more seriously.
  • According to Leo, Splinter always falls asleep after eating milk and cake.
  • Lou Jitsu's eyewear as a human strongly resembles Simon's sunglasses from Gurren Lagann.



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