Boy names for a villian character with dark meanings?

[akinoblu]

Hey , I’m writing a fantasy story , the villain is’’ charming actor’’ that but with a turbulent side with a secreted past.

[Ruthvd]

Cassis, [name_m]Theodore[/name_m] or Castor!

[EagleEyes]

Maybe [name_m]Casimir[/name_m], [name_u]Tristan[/name_u], or Viggo?