I've never been asked any weird ones, beyond the normal. Some of which are listed above...maybe I've been interviewing at the wrong places.
I asked some weird ones when I owned a comic book store. We had over 200 applicants when I posted the position of part time clerk, so i used them to help weed out half of the 30 who looked good on paper.
"In a fight of all giant robots, who would win?"
"If you could cast one third level spell from the AD&D 2nd edition player's handbook at will, what would it be?"
"You have to spend a day as an anime character. Who would you choose to be?"
They made the interviews more fun, and made sure they could hold conversations on our product. Still, they got me some odd looks.