Portal

GlaDOS thought that she was almighty and powerful, and she was, until there was a certain tester. A tester that was much greater than her. She had made plenty of rude comments for all of her testers. She had finally found her match. She thought of every possible thing. But there was one thing that she didn't think about. She never thought that the last tester could possibly have split personalities. One was a thinker, but didn't think of good ideas to do they were very optimistic and never gave up,they would keep trying until the portals lined up perfectly. The other was smarter with puzzles, and could even see into the future, knew exactly what to do, what would happen if you did something and much more they rarely messed up and if they ever did, it always could of meant death. The two have to control Chell, the body without having her killed, they had to work together to try and get out of apature laboratories. But what will they find while trying to beat GlaDOS? And what would GlaDOS do if they manage to work together and defeat her? GlaDOS would never let that happen. But when Wheatley comes and helps, she may be overpowered.

This is just a fanfiction story idea that I got from one of my friends.