1. undead- this includes things like vampires, zombies and ghouls 
2.dragons- there are hundreds of different kinds of dragons from all over the world 
3.giant animals-these include things like mothra, and king kong 
4.shapeshifters- these include werewolves and nagas 
5.demons-demons come in countless shapes and sizes 
6.mutated people/creatures- like godzilla or the fly 
7.hybrid creatures-like the griffon or chimera 
this is all i can come up with at the momment