Clyde is a tall and obese anthropomorphic cat, weighing physically more than 300 pounds. His primary fur is light brown with dark brown stripes that bear a heavy resemblance to tiger. His secondary fur for his hands, feet, muzzle, and belly is cream-colored. His tailpoint is dark brown like the stripes. He has bushy clumps of hair that is parted to the sides. He also has dark brown outlines around his eyes. His eyelids are light indigo. His nose is bright red. He also has buck teeth that are separate from each other.
- Clyde's voice actor, Brian Cummings, was famous in announcing various movie trailers including Tom and Jerry: The Movie in 1992. and on the 80's game show, "The All-New Let's Make a Deal" starring Monty Hall, and at a lesser extent, Cummings was announcer for the pilot episode of the Kids' Game Show, Fun House starring J.D. Roth. He also voiced Merry Walrus in the Club Penguin special "We Wish You a Merry Walrus".