Met in: episode 18, Herb
Looks like: In the below picture it may look like he is holding a candle. He is not. His robe has a lovely depiction of the candle throwing shadows on a cave on the front side.
Info: Murdar, emphasis on Mur, is a brother of the light, dedicating his life to service in the Temple of Dawl in Herb. He is best known for his rant on how annoying the Temple of Hrob is because they have Dell.