He is lantern-jawed with a long-suffering expression and a crude tattoo of a hawk on his left cheek. (LoC,Ch5) He is Tairen. (ACoS,Ch17) He is solid. (WH,Ch17)
After Renna flees, Vanin tracks her followed by Mat and the Redarms. They catch her just before she reaches Coramen and Harnan kills her with a crossbow bolt. (CoT,Ch29)