Marbles ranks 1807 in the pet name registry with 56 recorded animals, skewing male. The plural game-piece name lands in a specific category: abstract object names that have a visual quality, a texture, and an implied smallness, all of which work well on pets with unusual or multicolored coats.
The Object-Name Aesthetic
Marbles, Patches, Freckles, Checkers: these are names rooted in visual description, where the name is essentially a coat observation dressed up as a title. A cat or dog with a mottled, spotted, or marbled coat earns Marbles on pure descriptive grounds. Browse pattern-name pet names to see the wider cluster. The name works best when the coat actually has the marble quality — otherwise it reads as random rather than evocative.
YouTube and the Jenna Mourey Connection
Jenna Mourey (Jenna Marbles), one of the original YouTube celebrities, gave Marbles a specific cultural imprint starting around 2011. Her ancient Chihuahua Mr. Marbles became a minor internet institution. Chihuahuas named Marbles carry that YouTube legacy with or without the owner's intention.
The Counter-Reading: "Lost His Marbles"
The idiomatic phrase about losing one's marbles — losing one's mind — creates a mild unintended layer for a pet that may at some point display erratic behavior. Most owners find the irony worth it. Patches and Checkers cover similar pattern-description territory without the idiom collision.