One of the most gloriously cheesy "SF/horror" films ever to grace celluloid was The Green Slime. One has to wonder if the movie inspired the eponymous dungeon hazard:
The movie is clearly an inspiration for Tom Wham's The Awful Green Things From Outer Space. Besides that, the movie's claim to fame is its groovy, psychedelic theme song:
Grigori Vasilyevich Romanov (1923–1998)
11 hours ago