Silas Sinister



Silas Sinister is a warlock who is the head of the Sinister Inc., father of the Sinister Sisters, and leader of the Dominion. He and his group targeted a box that contained the key to dominate Halloweentown. He and the other Dominion members are stripped of their magic powers and arrested by Professor Periwinkle (who was working for an Anti-Dominion movement) for their acts of treason.