Russian Naming Richness
Russian names have an amazing depth. The patronymic system (father's name as middle name) shows how names connect family generations.
Diminutives
What I find charming is how Russian names have so many diminutive forms. Alexander can become Sasha, Aliosha, or Sanya - the same person, different vibes!
Sound and Strength
These names have a powerful, almost literary quality. They work beautifully in English too - Dmitri, Natasha, and Anya all sound elegant.