Yes. Some others do, too, but Ayahuasca is known as the one that's supposed to make you vomit. That, and the whole preparation by being chewed by other people and spat into a pot, from which the celebrant then drinks it with a straw... even if I was they type to be tempted by drugs this would not be one. :D

And yes -- intergalactic lizard people with grandiose megalomaniacal fantasies.