The Portal 2 CoOp Survey

I got GLaDOS (big surprise).

Imperious, highly intelligent, impossibly cruel-you wield your intelligence and wit like a cudgel, bludgeoning those around you into passive submission. Keep an eye out for cooperative test partners with low self esteem and body image issues.

Oddly enough my current co author also took the test and got this:

Funny, high-strung, a bit of a motor-mouth-these are the words people would use to describe you when they’re not telling you to shut up. Your ideal cooperative test partners include people who won’t mind you bumbling around breaking things while they do all the work.