The Little Green Men meet Sora, Donald and Goofy after their arrival to Andy's room, being fascinated by the strangers from "the outside".
While exploring the Galaxy Toy Store, the Little Green Men are abducted by a possessed Vic the Visitor UFO toy, which they believed would take them on a voyage. The trio, Buzz and Woody defeated the heartless controlling the flying saucer to free them, much to their disappointment.
One of them is also used in the Keychain of the Favorite Deputy Keyblade.
The Little Green Men are a fictional character in the Toy Story franchise. They are a small group of aliens, who, like Buzz Lightyear, think they are real. Besides the films, they also appeared in the Buzz Lightyear of Star Command television series.