Vader sits at rank 1336 with 82 registered pets, almost all male. This is one of the cleaner pop-culture pet names in the registry — Darth Vader from Star Wars is so universally recognizable that there's no ambiguity about what an owner is signaling, and what they're signaling is: my dog has presence.
The Star Wars Naming Tradition
Star Wars has been generating pet names since 1977, and Vader is consistently among the most popular. The appeal is specific: Vader is the villain, but he's the coolest character in the franchise for a significant percentage of the audience — and large, dark-coated dogs named Vader are a long-standing tradition among Star Wars fans. Rottweilers, Cane Corsos, and black Labradors are the obvious physical matches.
Sound Profile
VAY-der is two syllables with a strong opening and a clean ending. It projects well at a distance, carries authority, and doesn't require explanation. It's one of the few villain names that crosses over into mainstream pet naming without feeling edgy — Vader is canonical, beloved, and safe.
The Counter-Reading
Vader's ubiquity in the Star Wars pet-naming tradition means it's not particularly distinctive among other fans. If you're at a dog park where three large black dogs are named Vader, the name has lost its signal. For owners who want a dark-aesthetic name with more rarity, Kylo or Anakin occupy adjacent territory with fewer existing dogs to compete with.