I always wind up playing The Manipulator (aka The Smart One). Even when I’d rather play The Idiot.

The group I play with… they’re not dumb, but I am much better at puzzles & problem solving. So if I try to play a character who wouldn’t know how to get out of this-or-that situation, or wouldn’t know how to solve a puzzle, I wind up subtly nudging my cohorts into the right answers, and even then they don’t get my hints and I wind up outwardly handling the situation that my dimwitted character shouldn’t be able to handle.