They're usually battery operated.
According to IMDB it is simply "Green Aliens".
Toy Story 3 Aliens (voice) by Jeff Pidgeon (IMDb.com)
yes
No
es
make them eat each other
Yes, Aliens and eggs can live under water. But you will never see them. They live under the sea really, really, really deep.
aliens do live if u have seen or heard about the signs u will know that aliens do live
You're kidding right
aliens live in space
Toy Story Treats - 1996 Drawing Aliens 1-32 was released on: USA: 1996
it has been rumored but no aliens do not live in Tacoma