We have all had these encounters with them, righttt? Yes the all mighty traps of the anime/manga world. My personal favorite is Fukunaga form Liar Gae, that one really caught me of guard and to think that it influences the plot very very much!
Post your favorite traps our of your favorite anime/manga.
Btw the Okama in One Piece are traps right?
well, if you like traps... then go read himitsu no akuma-chan, it's so confusing that in the end you will root for the bl ending xD
Do reverse traps count? If yes, than Natsume, from Tokyo Ravens.
She's introduced as a girl, so there are no real surprises, but still
Tower of God has a lot of them like...
Yu Han Sung.