Durnan

Durnan (pronounced: /ˈdʌrˈnɑːn/ Durr-NAN[8]), occasionally known as Durham, was the gruff, burly yet close-mouthed proprietor of The Yawning Portal Inn and considered himself the self-appointed gatekeeper to Undermountain. He was known for having explored Undermountain.

I'll give you a free flagon of ale if you don't talk to me about the weather

- Durnan