Wheatley is a Personality Core of male programming and english west country accent who first appears in Portal 2. He is Chell's guide through the first part of the game, and planning to find a way to escape the facility.
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| “ | I'll wait--I'll wait one hour. Then I'll come back and, assuming I can locate your dead body, I'll bury you. Alright? Brilliant! Go team! See you in an hour! Hopefully! If you're not... dead.
— Wheatley
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During the course of the game, Wheatley aids Chell into escaping from GLaDOS' tests. The two eventually sabotage GLaDOS' turret production line and neurotoxin and later confront GLaDOS herself. A core transference occurs and Wheatley takes over the facility. When he is about to let Chell escape, Wheatley becomes corrupted with the power and becomes the game's main antagonist. Wheatley traps GLaDOS in a potato battery and launches both her and Chell into Aperture Science's old and forgotten test chambers.
After returning from the old test chambers, Chell and GLaDOS learn that Wheatley's actions are causing the facility to approach a nuclear meltdown. After passing through more test chambers made by Wheatley, he attempts to kill Chell and GLaDOS. After escaping his traps, GLaDOS suggests causing a new core transfer by implanting corrupt Personality Cores into Wheatley.
Chell enters Wheatley's lair to begin the final addition of the game. By shutting him down temporarily with bombs, Chell corrupts Wheatley enough to initiate a new core transference, saving the facility from destruction in the progress. However, a stalemate occurs when Wheatley does not agree to transfer himself, and Chell must press the stalemate resolution button to finalize the transfer. However, Wheatley reveals to have booby trapped it with explosives. However, Chell survives and launches a portal onto the surface of the Moon, causing both her and Wheatley to be sucked into space. GLaDOS then reacquires her old body and rescues Chell while letting Wheatley be launched into the vacuum of space.
Wheatley is last seen in the prelogue after the end credits, with the Space Core orbiting him, where he wishes he could say he was sorry for all he did to Chell.
Gallery
Wheatley after taking control of the facility.
