Thadar

Thadar is a NPC which appears in Caldeum, in Diablo III.

Thadar is an Iron Wolf the player character(s) encounter if they die during the fight when they first meet Emperor Hakan II. He will help you get back in the palace by a secret passage, saying that Asheara sent them.

Trivia
Thadar is also the name of one of the Iron Wolves mercenaries you can hire while in Lut Gholein in Diablo II.