![mars people metal slug mars people metal slug](https://static.wikia.nocookie.net/snk-msa/images/c/cb/Mars_Gigantalos_MSA_illust.png)
After the clone delivered heavy damage to the Drache Macha, the Professor announced to Abigail that he would improve on her clone before having Clone Abby it depart.
![mars people metal slug mars people metal slug](http://mail.fightersgeneration.com/news2020/char2/mars-people-snk-sprite-variations.jpg)
To test out the clone's abilities, the Professor sent Clone Abby to attack a Rebel engineering facility where the new Emain Macha twins were being manufactured. To ensure unwavering loyalty from the clone, the Professor removed its ability to feel emotions.
![mars people metal slug mars people metal slug](https://statici.behindthevoiceactors.com/behindthevoiceactors/_img/chars/mars-people-neo-geo-battle-coliseum-4.03.jpg)
To combat Vita, the Professor created Clone Abby, a clone of the Rebel Army's Abigail. However, the Professor's two Martian cohorts distracted her and escaped with the Professor by teleporting away. The Professor confronted Navy, but the Rebel Army scientist easily defeated him. Taking an interest in Vita, the Professor built a Mars Mecha and attempted to learn more about her with the assistance of two Martians. However, a Ring Laser Mecha appeared and confronted Vita, prompting her to spare the Professor. After Vita defeated the Brain Robot, the Professor attempted to kill her but ended up being knocked unconscious by the Rebel Army cyborg. Hearing of this General Morden sent Vita to stop him and destroy the robot. The Professor improved the Invader Brain Robot, turning it into a Mars Brain Robot. The Professor makes his first appearance in this Extra Ops, where he shows up to defeat a group of Future Rebels and the Kraken.