He is described as a not-too-tall man in his early forties, with waxy, black hair and cocoa eyes. He had constant five o'clock shadow, fingers like a surgeon, and a swimmer's build. He has a dark complexion and Spanish features. He almost always wears loose clothing and is barefoot. We've seen him in pajamas, a keikogi, and an Atlantean silk bathing robe.
He once protected Rune after The Sun Court fell, and later would give him various jobs. He has two children, Dalton and unnamed daughter
Rune made him a promise at 15 years old for protection.
Addam is one of Lord Tower's many god children. He sent Rune to find him after he disappeared.