I recognized all of them, The only one's I can't remember if they are traps or not are the utawaremono ones.
But lets go through the ones I do remember. Otome wa boku... the dude goes to a girls school, some nonsense with the grandparents, anyway most of the school thinks he is by far the best looking, There's a lot of female panties in that one.
Bridget doesn't need to be explained.
Kei from moyashimon plays a normal guy for most of the series then suddenly becomes a chick in the last 3 epps or so.
Boku no Pico is the male form of I so lets move on.
The H2O "Chick" you find out towards the end of the series is really a male who prefers female clothing. The show ends with him having a daughter and you see that the dad is still dressing like a woman.
Strawberry eggs is a male teacher at a female school, after being rejected as a man, he gets a grandma to help him become a female to become a teacher. He eventually has a relationship with a female student and leaves the school.
Hayate is a butler, Nagi dresses him like a girl randomly (or was it Maria?) either way.
Naruto is gay so it makes sense.
Minami was hilarious, but a dude none the less.
Fruit's Basket has this tendency to change genders of characters quite frequently, this character for example is played as a woman but is a man, another is played as a man and turns out to be a woman.
Negi is apparently wearing a wig, never read this far in the manga.
Onegai, you find out he is a dude at some point, Its been a while and I didn't care enough.
Akane is a crappy show, but you find out in a somewhat stupid way that this one is a dude.
Mahoraba is a brilliant show, he dresses like a girl in a few episodes but I can't remember why.
Vandread, Turns out to be a prince with a voice changer, he was a female spy and placed there to report back on the female movements.
The rest I don't remember too well and or I didn't see, But I recognize them all as traps from B and other places around the net.
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