Humanoids from the Deep (released outside the U.S. as "Monster"), the 1980 Barbara Peters science fiction (sci-fi) horror thriller ("They're not human. But they hunt human women. Not for killing. For mating."; "From the caverns of the deep... it strikes!"; produced by Roger Corman) starring Doug McClure, Ann Turkel, Vic Morrow, Cindy Weintraub, and Anthony Penya. Note that this movie is one of the best of the "so bad that it's good" genre. The monsters have a strange habit of killing teenage boys and grabbing girls' tops ..