Poll Results

Total votes: 1612

Greys (the aliens): 285 (17.7%)
Sea serpents: 236 (14.6%)
Ghosts: 198 (12.3%)
Demons: 158 (9.8%)
Lake monsters generally: 136 (8.4%)
Bigfoot/Sasquatch: 119 (7.4%)
Chupacabra: 113 (7.0%)
Yeti: 112 (6.9%)
Loch Ness monster: 67 (4.2%)
Fairies: 61 (3.8%)
Vampires: 52 (3.2%)
Jersey Devil: 34 (2.1%)
Reptoids: 26 (1.6%)
Werewolves: 15 (0.9%)

Maybe I didn't make it clear enough that I meant the stereotypical UFO-flying, cattle-mutilating, people-abducting aliens, and not just some sort of extraterrestrial life.

Or maybe I did...