Manannan

Brother of Mordack and Malicia

Introduced in KQ III as the "owner" of the slave Gwydion. He kidnapped Gwydion from a cradle and raised him as his slave. Manannan was turned into a cat by Gwydion.

He was mentioned in KQ V by Mordack, since Mordack captured the royal family in order to try to get Alexander to reverse the spell.