History Characters / Portal

* [[spoiler: KnowWhenToFoldEm: Eventually decides killing Chell is more trouble then it's worth and just lets her go free.]]

!!!Adventurous Core

* BlatantLies

* BadassBoast: [[spoiler:When life gives you lemons, don't make lemonade. Make life take the lemons back! Get mad! I don't want your damn lemons! What the hell are these?! Demand to see life's manager! Make life rue the day it thought it could give Cave Johnson lemons! Do you know who I am? I'm the man who's gonna burn your house down! WITH THE LEMONS! I'm gonna get my engineers to invent a combustible lemon that BURNS YOUR HOUSE DOWN!]]

* [[spoiler:Drunk With Power]]

Small white machines placed throughout the facility to shoot, no, ''[[DummiedOut provide you with product.]]''

!!!Corrupt Core

* InterspeciesRomance: He immediately takes a liking to Chell.

* PowerBornOfMadness: How else can you create a device which holds a miniature black hole, and can warp all laws of space-time (at least enough to create two portals), when you're just trying to ''make a shower curtain???''
* MadScientist: He conceived the portal gun after being stricken with dementia from mercury poisoning. He had previously been developing shower curtains for the military. He also created the Heimlich Countermaneuever and the Take A Wish foundation, which are as pleasant as they sound. Not mention his complete and blatant disregard for the health and safety of the subject for the test programs.

* WeakTurretGun: "So... are we supposed to not have eyes?"

* HeroicMime: [=GLaDOS=] even complains about her lack of response in the final chamber. [[AC:"Are you even listening to me?"]] In the sequel, Wheatley seems to think that overexposure to the stasis process left her unable to talk; when he asks her to, she just jumps.

* TalkingApplianceSidekick: To Doug Rattmann, at least.

* [[spoiler: TheAtoner: Becomes this in the final scene of ''Portal 2.'']]
* [[spoiler:BerserkButton: "[[ThisIsSparta I am NOT! A! MORON!]]"]]
* [[spoiler: DangerouslyGenreSavvy]]
* [[spoiler: DisneyDeath: Shortly after GLaDOS is reactivated, she crushes Wheatley between her ceiling-suspended claws. He gets better about three test chambers later.]]
* [[spoiler: FaceHeelTurn : It's even referred to as this in the game sound files. It's unclear how much of it was the mainframe's decision though.]]
* [[spoiler: IdiotBall : Literally. He was built to make GLaDOS dumber. He also grabs onto one after going insane; He informs you that he won't make the mistake GLaDOS did by having all surfaces in his room made unsuitable for applying portals. He has also rerouted three Gel tubes into his room, including one that supplies Conversion Gel allowing you to apply portals in his room. This alone wouldn't be so bad, but he also doesn't bother to wait for the neurotoxins to kill you, he throws bombs too, breaking the tube and providing you access to the Gels.]]

** May or may not have been uploaded to a computer.

* ItWorksBetterWithBullets: As GlaDOS eventually learns.

* UnreliableNarrator: The "official" timeline of Aperture Science doesn't quite jive with Cave's speeches.

* [[spoiler: KnowWhenToFoldEm: Eventually decides killing Chell is more trouble then it's worth and just lets her go free.]]

* [[spoiler: TheAtoner: Becomes this in the final scene of ''Portal 2.'']]
* [[spoiler:BerserkButton: "[[ThisIsSparta I am NOT! A! MORON!]]"]]

* [[spoiler: DangerouslyGenreSavvy]]
* [[spoiler: DisneyDeath: Shortly after GLaDOS is reactivated, she crushes Wheatley between her ceiling-suspended claws. He gets better about three test chambers later.]]

* [[spoiler: FaceHeelTurn : It's even referred to as this in the game sound files. It's unclear how much of it was the mainframe's decision though.]]
* [[spoiler: IdiotBall : Literally. He was built to make GLaDOS dumber. He also grabs onto one after going insane; He informs you that he won't make the mistake GLaDOS did by having all surfaces in his room made unsuitable for applying portals. He has also rerouted three Gel tubes into his room, including one that supplies Conversion Gel allowing you to apply portals in his room. This alone wouldn't be so bad, but he also doesn't bother to wait for the neurotoxins to kill you, he throws bombs too, breaking the tube and providing you access to the Gels.]]

* MadScientist: He conceived the portal gun after being stricken with dementia from mercury poisoning. He had previously been developing shower curtains for the military. He also created the Heimlich Countermaneuever and the Take A Wish foundation, which are as pleasant as they sound.

* [[spoiler: FaceHeelTurn]]

--> '''[=GLaDOS=]''': [[AC:*sigh* OK, look. We both said a lot of things that you're going to regret...]]

* HeroicMime: [=GLaDOS=] even complains about her lack of response in the final chamber. [[AC:"Are you even listening to me?"]] In the sequel, Wheatley seems to think that overexposure to the stasis process left her unable to talk; when she asks her to, she jumps.

An artificial intelligence in a small robotic sphere, similar to the "personality cores" that make up [=GLaDOS=]. Unlike [=GLaDOS=], Wheatley appears friendly and slightly scatterbrained. He helps Chell in her second run through Aperture Laboratories, but accidentally revives [=GLaDOS=].