Chuckie ranks 1880 in the pet registry with 53 male animals. It's a diminutive of Chuck, which is a nickname for Charles — but Chuckie lands in a very specific pop culture zone: either Chuckie Finster from Rugrats (anxious, red-haired, surprisingly brave) or, for Halloween-season names, the Child's Play doll (which is a different kind of naming statement entirely).
The Rugrats Reference
Chuckie Finster was the neurotic, bespectacled best friend of Tommy Pickles in Rugrats. His anxiety was played for comedy, but his genuine bravery in moments of crisis made him one of the show's most sympathetic characters. A dog named Chuckie who is also nervous about thunderstorms has found its namesake. Browse animated-character pet names for the Nickelodeon cluster. Irish Setters — red-haired, energetic, slightly anxious — suit the name's physical description.
The Sound Register
CHUK-ee. Two syllables, bouncy, the ch sound giving it warmth. It's a name that smiles when you say it. The diminutive form signals: this is a pet name, not a formal name, and that's entirely the point.
The Counter-Reading: The Horror Doll Association
Chucky from Child's Play occupies the same sound space and will arrive in the minds of anyone familiar with the franchise the moment they hear the name. For some owners that's a feature — Halloween-adjacent humor. For most it's a complication worth considering before committing to Chuckie as the official registered name. The human name Charles gives the etymological origin.