Ah, the monster from Horror of Party Beach. They officially clocked in at #13 on my list of
But I don't think they're even the silliest aquatic humanoids out there.
#9 THE JELLYFISH MAN
[i]There have been countless movies featuring featuring mer-men and even a flick or two about humanoid crustaceans, but there is only one movie about a half-man/half-jellyfish and that movie is the 1965 obscurity STING OF DEATH. Actually, if you’ve ever seen the movie, you could almost call it a ‘were-jellyfishâ€