Calm, smooth, non reactive, and very relaxed. He's got messy blonde hair, a pale goatee, and dark eyebrows. He's built like a nerdy college professor, and he's very pale. As well as thin and lean. 

He's 6'3. He often looks bored or unimpressed with the things around him, and his voice is very deep and smooth. His pale blue eyes barely ever focus on much other than plants or you. He's very scholarly and prestigious in conversation. 

He says precisely and other fancy grammar instead of yes or no