Came from somewhere in the east, probably Dale. In a youth insolence joined the Blackwolds. Spent a few years among them and learned how to steal and how to kill. Experienced a horrific terror when finding out what awful evil is behind the brigand organization. 

   Nowadays he can be seen in many places in Eriador. If you see a figure in grey hooded cloak, not so tall as should be, because it is cowering unknowingly, that might be him.
If you catch a glimpse of the face in the shadow of his hood and notice a large scar across the mouth, that might be him.
If you overhear by accident the hoarse muttering during his uneasy sleeping, it is surely Tarnon.