Reuben Bercovitch

A shot-down American pilot finds his way to a small, unpopulated island where he hopes to find provisions... (imdb)

An experimental lab animal called a gargantua escapes from his captors and is suspected to be the creature that is killing people all over the countryside. But when the gargantua from the lab appears at the same time as the evil gargantua, the two begin to battle across Japan. (imdb)

During WWII, a human heart taken from a certain lab in Europe (Dr. Frankenstein's) is kept in a Japanese lab, when it gets exposed to the radiation of the bombing of Hiroshima. The heart grows in size, mutates and sprouts appendages, and eventually grows into a complete body and escapes. Later, a feral boy with a certain physical deformity (a large head with a flat top) is captured by scientists who refer to the boy as Frankenstein... (imdb)

Middle-aged Ann and her teenage daughter Joanna manage a failing hotel on an island off the British coast. One day, the hotel receives an unexpected guest, a man named Joe. Joe and Ann had an affair years ago, and it's suggested (though never stated) that Joanna could be their child. Joe and Ann soon renew their relationship, but Ann discovers that she has a rival for Joe's affections when Joanna makes her interest in the handsome older man clear.