Cliff is a small, lean stoat with average muscle, currently he is 23 years old. He is covered in brown fur with a lighter shade on his eyebrows and front. His eyes are blue and usually covered by a pair of glasses with circular lenses and gold-colored rims. He is dressed in a dapper manner, wearing black dress pants and a tan vest over a button-up shirt, accentuated with a red bow tie.

Cliff enjoys using perfume, and is often described as smelling distinctly of mint.