Demons, vampires...werewolves and freaks
Vampires are the bluntest example of teenage bisexuality (immature bisexuality) the simple fact that their sole thirst is so erotic, tells of the unending lust most immature bisexuals posses, a kind of uncontrolled yet still quite infantile lust.
Werewolves are trapped kinks...they feel that desire to posses, to control...yet feel trapped by ethic and society...they release it in violent bursts, just to either forget about it next day...or remember it all too frightingly well.
Demons are sexually secure...they don't hide themselves from the humans nor feel any regret upon completing their lustful activities...they have no need for these, and can wait patiently for the right moment...they can be considerate or violent..unlike the past two, who are either extremly sensual (vampires) or extremely violent (werewolves)
Lesee...well...those are the only that come to mind...mind recomending a few more?