Robot Monster (1953 Classic?? SciFi)

http://www.imdb.com/title/tt0046248/Ro-Man, an alien that looks remarkably like a gorilla in a diving helmet, has destroyed all but six people on the planet Earth. He spends the entire film trying to finish off these survivors, but complications arise when he falls for the young woman in the group.Come on.... You knew it were a matter of WHEN not IF - This were coming :-)))) hehe