"Why is your garden a pit trap?"
Build: Weathered and wrinkled, has a seemingly permanent hunch, generally thin and frail looking with a slight belly paunch.
Hair: White and wispy
Clothing: Typically wears a tweed jacket and comically thick horn-rimmed spectacles.
Notable Features: Gnarled, bark-like skin texture on his arms, and presumably other places. Skin texture looks closer to a standard wrinkled old man on his face and the palms of his hands.