Romulus is the mythological co-founder of Rome. Giving that name to a pet is a particular kind of owner statement. It says: this animal deserves the full weight of history. It's a name that lands best when the pet actually has the presence to carry it, which usually means a large, imposing breed with a personality to match.
Mythology as Naming Strategy
The story of Romulus and Remus, twin brothers raised by a wolf, already has a canine dimension built in. That origin makes Romulus feel especially apt for dogs. Great Danes, Rottweilers, and similarly imposing breeds carry Romulus without irony. The human name Romulus never broke into mainstream baby naming in the US, which means it reads as distinctly pet-coded in American ears despite its ancient grandeur.
The Sound of Empire
Three syllables with a rolling R opening and a decisive final syllable: ROM-yoo-lus. It commands a room. The Latin -us ending places it in a family of classical pet names that includes Brutus and Maximus, all of which have found steady footholds among owners who want gravitas over cuteness.
The Counter-Reading: Weight Can Become Comedy
The gap between the myth and the actual animal is part of the joke. Sometimes that joke lands perfectly; sometimes it tips into self-parody. A small dog named Romulus generates laughs; a large one generates genuine respect. Owners should decide which effect they're going for before committing.