LOL turvas. Gremlins was a movie from back in 1984 in the US:
Movie Info:
http://www.imdb.com/title/tt0087363/
Basically the premise is that these little fury creatures are nice, friendly and intelligent until you feed them after midnight. Then they become these evil little green monsters that reek havoc over everything.
Oh yeah, and don't get them wet because they multiply when wet.