Cronker

Cronker was a Voodoo priest on the planet Medattia. Belonging to the Wynal tribe (with blue skin), he was once feared and respected until he was exposed for creating the Gibwyn by bonding two young lovers from planets rival tribes in an attempt to prevent the two mixing through fear and superstition until he was exposed by the Eleventh Doctor. (COMIC: The Curse of the Gibwyn)