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Biographical information

Donatello Splinterson



Date of birth

1987 (mutation year)


Mastery of Ninjutsu
High Logic
Genius Level Intellect
Semi-aquatic Adaptations
Master Bō Stick Fighter
Chemical and Mechanical Engineering
Computer Specialist

Weapon(s) of choice

Triceraton Blasters
Byakko (Lost Episodes)
Ninja Tek Staff (Fast Forward)


O'Neil Tech Engineer (future)

Physical description

5'2" (157.48 cm) (Seasons 1-5)
5'6" (167.64 cm) (FF + BTTS)


180 lbs (81.72 kg)



Eye color

Brown (BTTS)
Red (Foot)

Bandana color

Black (Foot)

Out of universe information
First appearance
Created by
Voiced by
Teachers and Students

Donatello is voiced by Sam Riegel in this incarnation for the 2003 TV series. Known as "Don", he is the smartest and most technologically-adept Turtle. His personality is still the traditional techno turtle like most incarnations but unlike most of the Donatello incarnations, he is the most passive and is rarely aggressive. His trademark  staff was once again his primary weapon, but he has used other weapons such as laser guns and those of his brothers.


Don is a mutated turtle with a purple mask and brown paddings on his knees, elbows and wrists. He has olive green skin throughout all 7 seasons of the 2003 series.


Although in this incarnation Don is still the brains of the bunch, he’s pacifistic. Sometimes he is a little witty, but he doesn’t annoy his brothers. Like in the Mirage comics, Donatello has a complex personality in the 2003 animated series. Several episodes concentrate on him, as well as his emotional and intellectual struggles. As in his other incarnations, Donatello is very book smart, a skilled technician and has a tendency to think things through. Even more pacifistic than his other incarnations, Donatello shows a greater interest in technology than his ninjutsu training.

During his first Battle Nexus Tournament, despite being a very gifted ninja, he lost in the first round of the competition. Even so, Donatello will defend his brothers at any cost, and he frequently assists the team in many ways through the technology he develops, mostly vehicles and communication devices. Like Leonardo, Donatello does his best to prepare for any situation. For instance during the Turtles' infiltration of the Shredder's tower, where Don carried all the equipment and gadgets they would need in his duffel bag.

Don is the calmest out of all his brothers. He is gentle, very peaceful, and doesn't really lose his temper. Sometimes he can be a little witty which doesn’t bother his brothers, but overall he is a gentle turtle who is well liked by all of his brothers never engaging in major confrontations with them. He rarely fights with them but he doesn’t argue with them. In fact, Donatello was the one to reunite his alternate-dimension brothers against the Utrom Shredder in the episode "Same As It Never Was".

Leatherhead considers Don to be one of the most gentle-natured people he's ever met. In the fourth season, he was infected by a monster, and in the episode "Adventures in Turtle-Sitting", he had mutated into a monster himself (which happened to Raphael in the Mirage comics). When he mutates into a monster, he loses his gentle personality and becomes violent and aggressive. However he does show signs of calming down whenever Master Splinter talks to him and is eventually returned to normal thanks to Baxter Stockman's cure.



Don was an ordinary baby turtle along with his brothers, until they were exposed to a Mutagen that originated from the TCRI building. Since then Splinter trained them in ninjitsu and raised them as his own children.

When he was a little older, he went to Japan with Splinter and his brothers to bury Hamato Yoshi's remains near the home of the Ancient One. While there they encountered a Bone Demon that wore an amulet that blinds the wise, but the Turtle Tots were able to see him and helped Splinter and the Ancient One defeat him. Afterwards the Ninja Tribunal erased their memories of the trip and were taken home.

Seasons 1-4

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Ninja Tribunal

Donatello became one of the Ninja Tribunal Acolytes along with his brothers. He was the first ninja shown to focus his spiritual energy through his Amulet of the Acolytes. This is perhaps due to the fact that the Acolytes training began with studying in a library, where Don enthusiastically absorbed knowledge of the secret arts. His spiritual avatar is that of a dragon.

Fast Forward

A time window malfunction (that turned it into a time machine) caused Donnie, his brothers, and Master Splinter to be "fast-forwarded" to 2105, hence the show's name Fast Forward. Donatello was one of two Turtles, alongside Michelangelo, that adapted best to the new lifestyle of the future. He was extremely interested in the new technology and quickly bonded with Cody Jones. Using his ideas, Cody had made many new, high-tech turtle weapons and vehicles. In the episode "The Journal", which features the Turtles going back to their own time, he uses his knowledge of the future to build new gadgets such as a fusion generator.

Most of the episodes in this season is mostly centered around him due to the plot goals of them returning to their own time as well as adapting to future technology of 2105.

Back To The Sewer

After a long time, Cody and Don were able to finish repairing the time portal and were finally able to back to their own time. Unfortunately, Viral took over Serling and sent them jumping around time until Donny managed to repair Serling enough to create another time portal to their own time. But Viral took control of Serling again and was about to blast the Turtles, but Splinter took the blast.

Donatello was devastated by the loss of his teacher and father, and for some time was obsessive with gathering up all of Splinter's bits in order to restore him; constantly blaming himself for the incident. After some time when Don was faced with the choice of saving his brothers or gathering more of Splinter's bits, he realized that he should be there for his brothers more often. In the episode "Web Wranglers", Raphael has stated that Don has an IQ of 637 - a likely highly inflated stat. It should be noted that Don was the one who killed (with help from Splinter) the Cyber Shredder by blasting him with the same energy beam Viral shot at Splinter at the beginning of the season. After that, he witnesses Casey and April getting married.

This season mostly focused on his goals and progress of bringing Master Splinter back to reality from cyberspace as well as him destroying the Cyber Shredder. Thus making him the main character of this season overall.

Turtles Forever

In Turtles Forever, he helps his counterpart 1987 Donatello build a dimensional portal stick that they used to get to the "1987 universe", and re-modify it to track the Utrom Shredder's trail towards Turtle Prime.

Skills, powers, and abilities

  • Mutant Physiology: As a mutant, the Mutagen Ooze heightened Donatello's physical attributes to considerable extraordinary levels. He possesses strength, speed, reflexes, agility, endurance, recovery speed, and stamina much greater than even the finest human specimen athlete. His mutant abilities has been listed as shown below:
    • Enhanced Strength: Donatello possesses an adequate level of strength. He and his brothers have been mutated and have had years of training under a grand master of martial arts, so their strength has been amplified as a result.
    • Enhanced Speed: Despite being a turtle, he is not slow. Donatello is able to move at great speed, able to free run on rooftops without losing momentum. He can also move things at enhanced speeds too, such as twirling his bō staff. He can also spin his staff at incredible speed to momentum to his strikes.
    • Enhanced Reflexes:
    • Enhanced Agility: Donatello can coordinate his bodily to levels that are beyond then the finest human athlete.
    • Enhanced Healing: Donatello can heal faster than normal humans. .
    • Enhanced Stamina: Due to his ninjutsu training, Donatello has high-level stamina , which allows him to keep up with his training.
    • Enhanced Endurance:
    • Semi-aquatic Adaptations:
  • Super Intelligence and Communication:
  • Ninjutsu:
  • Bōjutsu: Donatello was trained by Splinter in the use of the bō staff, in which he twirls, swings and stabs like a spear. As Donnie's fighting relies more on defense than offense, he makes use of his bō's versatile nature to block as well as counter attack. Despite this, he also able to deliver powerful strikes that can send enemies flying, and combine it with his physical combat skills.
  • Master of Stealth: Being taught by Splinter, Donatello, as well as his brothers, are able to be one with darkness and hide and move within the shadows without being noticed. Like his brothers, he is stealthy, can hide in the shadows, sneak around without being detected, and use hand to hand combat.
  • Dragon Transformation:


  • Bō Staff
  • Blasters: Byakko is a Japanese spear, it has the ability to whip out crescents of razor-sharp wind. Donatello, its owner, was so proficient with this weapon that he was able to suck in an entire lake just by generating a mini-tornado. Byakko is one of the Fangs of the Dragon, and was the weapon claimed by Donatello from the Spirit Forge.
  • Ninja Tech Staff




Donatello has a close relationship with Leonardo and looks to him for guidance, sometimes calling him 'boss', as in the episode "Nano".


Raphael shares many interests with Donatello and is rarely cross with him. They both enjoy watching football, as seen in "The Shredder Strikes Back, Part 1" and playing video games, as seen in "Nobody's Fool". Raphael often calls him 'Brainiac', but it is said with fondness.


Although the most easy-going of the turtles, Donatello does find his patience tested by his brother. When Mikey wants something, he has no qualms about bugging the resident genius incessantly, such as when Mikey wants to transform an armored car into the Battle Shell in the episode "Meet Casey Jones". When they are together, Don tends to take Mikey's lead in situations, as seen during the episode "Junklantis".

Master Splinter

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April O'Neil

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Casey Jones

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Although having fought against Leatherhead during their first encounter due to incorrectly believing the crocodile meant Michelangelo harm, Don and Leatherhead eventually become quite close. Both share many interests, and have genius level intellects in common.


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  • Like his brothers, Donatello is a practitioner of Qi Gong, as shown in "Turtles in Space - Part 3: The Big House".
  • His favorite book is "A Brief History of Time" by Stephen Hawking.
  • His favorite music is Classical, "Classic" Rock, the Roches.
  • His favorite foods are Pizza and Sushi.
  • Unlike other versions, Donatello's nickname in this incarnation is spelled "Donny", according to 'the Way of the Warrior", a sourcebook published by HarperCollins Publishers Ltd.