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The Ninjas a.k.a. R.T.S.A.: (Real Time Subjective Agents) are virtual fighters controlled by humans working for Professor Tyron.


Ninjas Sneak

Ninjas in Cortex.

The Ninjas are virtual fighters controlled by humans working for Professor Tyron. As Professor Tyron doesn’t possess the technique of virtualization, this is the only way he can counter the heroes in the virtual world. They wear black bodysuits and have masked faces. They use bladed weapons and can stealth into the terrain of the Cortex for short periods of time. Their first/debut appearance was in the eighth episode, Virus. Upon close inspection, the 'eye'-like white circle is actually a sphere inside a slightly translucent head.

It was initially unknown to the Lyoko Warriors whether they were truly humans or some kind of humanoid A.I. due to the fact that they do not seem to have the ability to speak, but their status as human beings utilizing virtual avatars to fight was confirmed thanks to Ulrich's realization and advice concerning their fighting abilities, which were more flexible and unpredictable compared to X.A.N.A.'s monsters.

Skills and Abilities[]

Ninja sword

Ninja's sword.

This is a list of the skills and abilities that the Ninjas are shown to possess.

  • Stealth: They can appear from the ground in the heart of the Cortex and are almost invisible. One was able to cling to the Skid while it was traveling back to Lyoko.
  • Ninjas are shown to be expert sword fighters and have been able to defeat Yumi, Ulrich, Aelita, Odd, and William with ease.
  • Ninjas can travel through the Digital Sea if they are holding on to the Skid, thereby allowing the ship's shield to protect them.
  • Super Sprint for limited amounts of time with a green stream behind them.
  • An ability that freezes a victim and allows them to drag them around and become enshrouded in a light green aura. This ability resembles Yumi's telekinesis; though her telekinetic aura is whitish-pink while theirs is a neon green.  


Season Five

Appearances in other Media[]



Code Lyoko Social Game[]