Mama Bear: Older, large, hairy guy who collects antiques
Papa Bear: Older, large, hairy guy who watches football
Baby Bear: Their "thruple." (For now.)
Muscle Bear: Aging twink who now uses steroids
Grizzly Bear: Really ugly bear who needs to take a shower.
Glamour Bear: Young otter or cub with fussy facial hair patterns who wears starched plaid shirts and attends openings of art installations and postmodern burlesque
Seal: Otter who got fat.
Walrus: Older Bear or Seal with fussy facial hair (see: Glamour Bear)
Gorillas in the Mist: Three or more bears in a steamroom.