Knight (2012 TV series)

Kraang Subprime is a master spy, and second to Kraang Prime in rank. In The War for Dimension X, he was revealed to have originally been an named Knight.

Irma
She dresses in a gothic style of clothing. She has black hair, which is cut short and has purple streaks. She wears bracelets on both of her wrists, a black tank top with a checkered pattern skirt, large boots that go up her calves and red oval-shaped glasses. She is slightly shorter than April.

Kraang Subprime
He has a left cyberoptic eyepiece a prosthetic claw in his front left tentacle, a scar across his face and a blue tattoo around his right eye.

His exosuit is much taller and wider than his brethren, and retains vestiges of Irma's "body", such as her head and arms. The head can detach and grow spider-like legs.

History
Mousers Attack!: Irma made a cameo on April's caller ID prior to her first in-person appearance.

Mutagen Man Unleashed: Irma makes her first in person appearance here, she is shown at her locker but her face cannot be seen and she has no speaking role.

The Good, The Bad and Casey Jones: Irma makes her first speaking appearance in this episode. She is shown as April's best friend, walking with her in the hall. She asks Casey where he got his bruises, and doesn't seem to like April hanging around him.

Of Rats and Men Irma played a larger role in this episode. She was kidnapped and put into a cage along side Casey Jones. The Rat King wanted to test the mutagen on her first to create his army.

Pizza Face Irma appears hanging out with April, about to see a zombie movie when her friend get a call from her T-Phone. She didn't believe the "dating with Casey" excuse, and she already knew that April has some secret friends that she don't tell about. They both get hit by a pizza guy's bike, who exclaimed that he's being attacked. He leaves a pizza box, which April get it for the guys and run off. It appeared to make Irma feel bad because her friend ditched her again with no honest reason.

The Wrath of Tiger Claw: Irma is hanging out with April and Casey (who complains about her being a third wheel and it being a ruined date) after seeing a movie. April then senses Tiger Claw and Karai who are following them. April (who is being chased by Karai) and Casey (who gets ambushed by Tiger Claw) split up to deal with them leaving Irma confused and frustrated with the both of them and unaware of the situation.

A Chinatown Ghost Story: Irma and April are captured by Ho Chan because he needed April's powers. He also says Irma has powers, but he doesn't know what they are.

The Invasion, Part 1: After being ambushed by Foot-Bots, a panicked April takes Irma to the Turtles' Lair, believing that her best friend is trustworthy enough to keep Splinter and the Turtles' secret. There, Irma's body begins to split apart and reveals to be the specialized Kraangdroid body of Kraang Subprime, the Kraang second-in-command and a master spy who had masqueraded as "Irma" to spy on April. He says that the discovery of the Turtles' lair was what the Kraang needed to start the invasion of Earth, and he immediately opens multiple portals, allowing other Kraang directly into the lair. The living room and Shellraiser are destroyed during the scuffle, and the Turtles and April are forced to retreat while Splinter holds off the Kraang assault. Kraang Subprime is defeated, and apparently killed, when a piece of the burning debry from the lair falls on top of his unsuited body, his tentacles writhing and going limp.

Battle for New York, Part 1: Kraang Subprime survived his apparent death and his Irma-Bot suit is rebuilt. He plans to set the mutagen missile to mutate everyone in the world, but is also annoyed that it took three months to replenish their mutagen supply. Additionally, he questioned why the rest of his kind fail to speak proper English when they've been on Earth for thousands of years but gets infuriated when one of them failed to understand the question. When the attack, Kraang Subprime managed to set off the missile with the Turtles on it. After the missile was stopped, Kraang Subprime was forced to temporarily retreat.

Battle for New York, Part 2: He follows the Turtles to Dimension X, after a fight with the Turtles, Kraang Subprime summons the Kraang to send the Dracotroid after the Turtles. Later, he attacks the Turtles in a different, shouting "Here's Kraangy!" as more Kraang-droids come in and fight the Turtles. However, after the Turtles succeed their mission and are teleported to safety by Dr. Rockwell, Kraang Subprime is left stranded in the Technodrome as it crashes into an island, exploding leaving only the head of his Irma-Bot suit floating around.

Annihilation Earth, Part 1: Kraang Subprime is revealed to still be alive, having relocated to the which is still stranded at the bottom of the East River after two years. Kraang Prime is with him, supervising Subprime's repair of the Techndrome. Subprime finally gets the Technodrome operational and pilots it out of the water. Subprime personally defends an assault led by, the and , which is when Bishop reveals that Subprime (or "Subsubprime") was originally a fellow Utrom. The Technodrome's show of power is short-lived, as the fleet begins their invasion, and the Technodrome is their first target. Bishop and his allies manage to flee the structure, but Kraang Prime and Kraang Subprime watch helplessly inside as the Triceraton fleet easily vaporizes the entire Technodrome out of the sky. Though dead, they are only the first casualties of the Triceraton invasion, as the entire rest of the Earth and its inhabitants (save for the four turtle brothers,, ) are lost at the end of Annihilation Earth, Part 2.

The War for Dimension X:

After tracking the turtles to the Utroms home-base, Kraang Sub-Prime and the other Kraang attack the Kraang high council, kidnapping Queen. He and his forces then procede to go back to their base via portals, only for Michelangelo and Raphael to follow suit. While attempting to interrogate Queen, he is beset by Michelangelo, Raphael, Sal Commander and Mona Lisa, whom after briefly fighting his summoned Dracotroid they escape to a full on battle between the Utrom soldiers and the Kraang. It is there that he is confronted by Bishop who chastises him for betraying the Utroms, reminding him he was once the Utrom hero "Knight". Kraang Sub-Prime is not phased at all by his insults, proud of his sub-servience to Kraang Prime. He is then seemingly killed by Bishop.

Trivia

 * As a Kraang spy, "Irma" was far more convincing than the Normans or the Ms. Campbells.
 * Irma possesses none of the Kraang's grammar tics, and had more organically human mannerisms than an android. When Kraang Subprime revealed his true identity, his speech continued to have the same natural grammatical constructs, not typically heard from other speaking Kraang.
 * In Battle for New York, Kraang Subprime questions why other Kraang can not speak proper english as they have been on Earth for thousands of years.
 * Irma wears a red hexagon-shaped bracelet on her right wrist. As seen on mutagen canisters and on the TCRI buildings, the Kraang's symbol is composed by hexagons.
 * Just like all Kraang, Irma has green eyes.
 * In Pizza Face, when the Pizza Guy runs his motorcycle into Irma, the collision's sound is a noticeable clang of metal against metal, foreshadowing Irma's true nature as an Irmabot&mdash;Kraang Subprime's droid body.
 * Much like the Norman suit's design being stolen from Bishop, Kraang Sub-Prime stole the design of his android from Rook of the Utrom high council.
 * Kraang Subprime has encountered/fought against more of the ' family/allies than any other single villain in the 2012 television series. Among them are, , , The , The , , and Sal Commander.