I once cosplayed a character by accident. I had just thrown on some clean clothes, and then everyone kept grabbing me and having their friends take a picture of them with me.
After about an hour of this confusion I finally asked someone what was going on, because I wasn't in cosplay, and I was beginning to think I was going insane.
They promptly told me that I was the Kumori Con Girl. :lol:
Of course, this happened at Sakura Con, while wearing an 'I *heart* yaoi" shirt, so now I always look at the Kumori Con mascot with suspicion, as I think she's trying to steal my things. :?