At one convention I was mistaken by several people for a different character from the correct game series, but didn't really bother to correct them.
Then two years ago I was dressed as a character from Dynasty Warriors, and some woman walking by me goes, "Oh cool, Green Ranger" and I'm thinking "WTF?" I didn't even bother, she seemed ignorant enough to not even listen if I corrected her.
Sailor Star Maker (Sailor Moon: Sailor Stars)
fem! Rei (Free!)
Red Jasmine (Disney's Aladdin)
Nipponbashi Street Festival (March 22)