Fleshlight Freaks come from probably the most well-known company on this list, seeing as Fleshlight is to masturbation toys what Oreos are to sandwich cookies. Their horror-inspired freak toys started life as a one-off Halloween campaign a few years ago, but stuck around and became immensely popular, because of course they did. Based on popular movie monsters, they offer a chance to f**k the Bride of Frankenstein, a vampire (complete with bat-winged labia, naturally), a space robot thing, and a zombie.
Note that at least two of those things are technically corpses.
The newest addition to the line is the alien, a blue, triangular thing apparently based on the ThunderCat Smurfs from Avatar, despite the fact that in the movie their chosen method of f*****g is ponytail rape.
Oh, and if for some reason you're not into stickin' it to latex reimaginations of murderous carcasses: the company offers female and male versions of each monster genitalia. You know, just in case you feel like owning a graphically decomposing zombie dick.