You might want to consider names that have meanings that imply darkness or variations on the word dark. Some boy names that have meanings related to darkness include Adrian, Donovan, Doyle, Douglas, Keir/Keiran and Nigel.
Some of the names and meanings of fallen angels include Lucifer (light-bringer), Satan (adversary), Beelzebub (lord of the flies), and Belial (worthless). These names are often associated with evil or rebellion against God in various religious texts and beliefs.
There is no "best" evil name as it is subjective and depends on the context. Some popular evil names include Maleficent, Morgana, or Lucifer, but you can also create a unique evil name by combining different elements or languages to suit your character's backstory and persona.
Bloodspill Darkheart Sharpfang Nightfeather Tigerblaze Shadowfur Skullfeather
you either pet it with an evil character or abuse it with a good character
why are you an evil twin you ask? well the evil twin will try to take your character he switches names i talked to him he said these phrases. I WILL HURT YOU REAL BAD,i said o rly? he said this? YOU WILL SEE US SOON
well there could be lots of evil names like Loki (male), Amalia (female)
The EVIL way.
Yes, children are evil, and most of there names are Elizabeth.
It suggests that those who are evil don't necessarily get away with being evil but eventually have evil done unto them.
The names are Mizaru (covering eyes and sees no evil), Kikazaru (covering his ears and hears no evil), Iwazaru (covering mouth and speaks no evil).
Fedallah.
In his mythology there is nothing to suggest a secret life as an assassin, evil or otherwise.