Cliff is a supporting character in The Loud House.
Cliff is the Loud family's pet cat.
Cliff is a full-grown domestic short-haired cat with black fur, whiskers, a large black nose, and small ears.
- Main article: Character appearances
- He is named after Cliff Sterrett, one of Chris Savino's artistic influences. His appearance is based on Kitty from his comic strip Polly and Her Pals.
- His appearance is somewhat reminiscent of old cartoons from the 1930s.
- He has a large black nose like Screwy Squirrel.
- Cliff heavily resembles Mooch, the feline character from the newspaper comic Mutts.
- He is the tallest of all the pets.
- Out of all the Loud family pets, he is the one who has the least amount of contact with any of the Loud kids.
- In "Game Boys", it was revealed that Cliff's full name is Clifford.