Rejected by his own father, he can not grin,
A man made monster that is made of men.
The monster, created in a storm, is electrically powered.
He was not accepted by the humanity he comparatively towered.
This other monster is a horrible beast,
One night every month it hunts for it's feast.
By day it's human, like you or me.
It's only when they've transformed that we need to flee.
I've described two monsters and I'll need answers from you:
So go ahead and tell me: Who are these two?