Bleu ranks at #637 with 193 entries, registered male. The spelling is the French form of blue, and on a pet registry it functions as the slightly-elevated cousin to the English Blue: same coat-color reference, dressed in a French-language register that reads as deliberate rather than casual.
The blue-coat naming logic
A meaningful share of registry Bleus are dogs with blue-gray coats: Weimaraners, blue Pit Bulls, blue Great Danes, blue French Bulldogs, and blue Cane Corsos. The naming is direct color reference, and many owners specifically picked Bleu over Blue because the French spelling carries a more design-conscious register and pairs better with the breed's typical aesthetic.
The cheese-and-foodie overlay
For a smaller cohort, Bleu carries a foodie register: bleu cheese, bleu d'Auvergne, the French food-aesthetic register that owners with cooking interests sometimes lean into. The naming logic in this slice is half coat-color, half kitchen-cultural reference, and the dogs in this cohort tend to live in households where the family's other dog is named Brie or Fig.
Sound and breed lean
One syllable, soft opening consonant cluster, clean ending vowel. The shape recalls cleanly and works in noisy environments. The breed concentration on coat-matching dogs is strong, with French Bulldogs overrepresented relative to general breed share. The human Bleu page shows minimal SSA presence; pet Bleu owns the cultural space.