GLaDOS

GLaDOS or Gentic Life and Disk Operating System the main antagonist in Portal.

GLaDOS' is and AI created at Aperture meant to help advance reserch but she went crazy and killed a whole lot of people at Aperture after a bunch of other events GLaDOS wakes up a test subject named Chell and has her do a bunch tests that involes portals. After finishing them GLaDOS then trys to kill Chell but Chell escapes and then make's her way to confront GLaDOS. When Chell finally arrived she fought GLaDOS and killed her.

Decades later GLaDOS returns to life by Chell and Wheatley and then she goes back to making Chell doing tests while trying to make life even more horrible. But thanks to Wheatley Chell escapes and takes her defense's and then when Chell meets GLaDOS again they fight again and then Wheatley takes over Aperture. But Wheatley becomes evil and then puts GLaDOS into a potato and GLaDOS remembered Wheatley how he made to make her into an idiot and Wheatley got mad at this and send both her and Chell into the bottom of Aperture. Chell save's GLaDOS from a bird that was trying to eat her and they decide's to work together to stop Wheatley.

When they reach the top again Chell does more test's and escapes a bunch of death traps made by Wheatley and then they finally reach his lair. Chell puts a bunch of currputed cores on Wheatley making him currputed enough for GLaDOS to take over again. When she took over Wheatley was sent to space and then after words she decides to let Chell go free because she was pretty much sick of having to fight with her.

Current GLaDOS still trys to advance science but with endless wars going on she finds it very hard to work. So she has decided to moniter every single hero and villain in the Multi-Universe learn about them their stregth's power's weakness's ect. In short GLaDOS knows everything about all the heroes and villains and knows how to counter all their plans before they can even come up with one. So for the heroes sake pray she does not think of them as her enemies.