For example
Poison Ivy!
Professor Marmalade
Prowler (spider-verse)
Purple (AVM)
Predaking
PAL
Plague Doctor (SCP-049)
19 Votes in Poll
87,559
pages
ALL POSTS
SCP-049
Tagged Posts
50 Votes in Poll
39 Votes in Poll
43 Votes in Poll
Bradford buzzard
Dr doofenshmirtz
Scp 049
Clockwerk (sly cooper)
Bowser
Dr eggman
Lotso
Darth vader
Dr nefarious
Mojo jojo
(Edited by Shyryan811)
59 Votes in Poll
46 Votes in Poll
(Edited by Xaven Stelmack)
Some characters are both on the heroes and villains wiki.
Examples:
Severus Snape
Godzila
Luke Castellan
Artemis Fowl
Wed Wilson (Deadpool)
SCP-049