What are some good bad guy names?

Somthing with the ending ck or has an x in the name.

Veck,(taken) Beck, Toreck, Zorack, Fadieck, Demjick, Sadereck, Norock, Kimjuck, or Zamock.

Hex,(taken) Max, (taken) Fox,(taken) Torx, Reax, Dex, Jinx,(taken) Plax, Nix, Xon, Potix, Vixen, Or anything like X _____.

Also Ken would be acceptable.