Unique 'whistle system' to communicate with the player.Can interact with other NPCs, or be silenced.Interaction with certain other Vanilla followers (e.g.Tells stories, sings, laughs and jokes, and is influenced by the players time together.Skills: highly skilled in archery, one-handed and sneak.Doesn't talk while the player sneaks (if conversation is initiated, he'll whisper).Over seven thousand voiced dialogue lines, all of which are condition based and do not fire randomly so you don't get the annoying repetitive chatter, like with most followers.
