Moomin (or Tanoshii Mūmin Ikka) was a Finnish-Japanese anime that lasted from 1990 to 1993.
Moomin: the main character. A white hippolike creature.
Moominpappa: his dad. A novelist.
Moominmamma: his mom.
Snufkin: Moomin's best friend.
Little My: Snufkin's little sister. (She's crazy!)
Mymble: Little My's older sister
Sniff: a kangaroo-like creature who lives in a hole in the ground (well, basically). Apparently he's broke!
Snorkmaiden: Moomin's girlfriend.
Snork: her scientist brother.
Stinky: an evil fuzzy creature with antlers and a huge nose.
The Muffle: Snork's archenemy.
There are a lot more, too...