Those infernal residents of hellish planes.
Characters cursed with a devilish appearance: oddly colored skin, horns, cloven hoofs, spiked tail, etc.
The lords of the underworld, wether they are good or evil, or known as Satan, Hades, the fallen, devil, or whatever.
demons and similar0
The Women (& Men) In Red2
I've already created a list that features characters who are green and I've also seen similar lists that feature blue and even yellow skinned characters, those whose skin are of any spectrum, and even one that focuses on those with unique hair colors...
Pantheon of Powers0
Cosmic Powers, Gods and Immortals
This edit will also create new pages on Comic Vine for:Beware, you are proposing to add brand new pages to the wiki along with your edits. Make sure this is what you intended. This will likely increase the time it takes for your changes to go live.