Well, I guess it's time, again, to dust off my hoary wish list of characters from the schlock-monster flicks and classic SF films of the '50s:
I was a Teenage Frankenstein (Bob, the Monster)
I was a Teenage Werewolf (Tony, the Werewolf)
Frankenstein's Daughter (The Monster)
Blood of Dracula (Nancy Perkins/the Vampire)
The Amazing Colossal Man (Title character)
She-Creature (Title character)
The Hideous Sun Demon (Title character)
Day the World Ended (Marty the Mutant)
It Conquered the World (The Beulah!)
Robot Monster (Title character)
Tobor the Great (Title character)
Invaders From Mars (1953) (The Mutants, The Supreme Intelligence)
It Came From Outer Space (Title character)
The Man From Planet X (Title character)
I Married A Monster From Outer Space (The Alien)
The Colossus of New York (Title character)
It! The Terror From Beyond Space (Title character)
The Thing From another World (1951) (Title character)
The Day The Earth Stood Still (Klaatu, Gort)