He looks a little sinister.
He looks like he's calmed down.
He looks taller now.
Once Sea Slug quest is over you'll find him on the first floor in the house west of the church.
Talk to him to start the Kennith's Concerns quest.
In Salt in the Wound, he is now a young man and is found in east part of the Daemonheim near the Fremennik Shipmaster.