Siberian cats are independent, a bit rough, but affectionate and loyal to their owners. Their intelligence is legendary. This is one of the most intelligent and easily trainable breeds.

Russian Blue cats are noble, loyal, calm, not too trusting of strangers, but friendly and affectionate with their owners.

Of all the Sphynx species, the St. Petersburg, or Peterbald, is the most graceful. It looks more like an oriental cat than other sphinxes.

Kurilian Bobtails come in both semi-long-haired and short-haired varieties. They are friendly, sociable, active, companionable and loyal cats that are easy to train.

Don Sphynxes are affectionate, non-aggressive, playful, have a bit of dog-like behaviour, but are unobtrusive and tactful.