Note—all cannon character descriptions are taken from the books.
Allegiances
ThunderClan
Leader
Firestar—ginger tom with a flame colored pelt
Deputy
Dustpelt—dark brown tabby tom
Apprentice—Sparkpaw
Medicine Cat
Leaffur—light brown tabby she-cat with amber eyes
Warriors
Sandstorm—pale ginger she-cat
Brambleclaw—dark brown tabby tom with amber eyes
Apprentice—Darkpaw
Cloudtail—long-haired white tom
Apprentice—Stonepaw
Brackenfur—golden-brown tabby tom
Apprentice—Shadowpaw
Sorreltail—tortoiseshell-and-white she-cat with amber eyes
Thornclaw—golden brown tabby tom
Apprentice—Birdpaw
Brightheart—white she-cat with ginger patches
Ashfur—pale gray (with darker flecks) tom; dark blue eyes
Spiderleg—long-limbed black tom with brown underbelly and amber eyes
Whitewing—white she-cat with green eyes
Apprentice—Featherpaw
Willowcloud—pale gray she-cat
Apprentice--Silentpaw
Rainwisker—dark gray tom with blue eyes
Apprentice—Secret
Apprentices
Darkpaw—dark gray tom
Sparkpaw—flame colored tom
Shadowpaw—midnight black tom
Silentpaw—white she-cat with pale, colorless eyes
Birchpaw—light brown tabby tom
Secret—silver-gray or calico she-cat
Birdpaw—blue-gray she-cat
Stonepaw—gray tom
Featherpaw—long-haired tortoiseshell she-cat
Goldenpaw—gold she-cat with blue eyes
Queens
Ferncloud—pale gray (with darker flecks) she-cat; green eyes; mother of Icekit and Foxkit
Elders
Longtail—blind tom with dark black stripes
Mousefur—small dusky brown she-cat
RiverClan
Leader
Leopardstar—spotted gold tabby she-cat
Apprentice--Tanglepaw
Deputy
Mistyfoot—gray she-cat with blue eyes
Medicine Cat
Mothwing—dappled golden she-cat
Apprentice--Willowpaw
Warriors
Blackclaw—smoky black tom
Voletooth—small brown tabby tom
Apprentice--Minnowpaw
Reedwhisker—black tom
Mosspelt—tortoiseshell she-cat with blue eyes
Apprentice--Pebblepaw
Beechfur—light brown tom
Rippletail—dark gray tabby tom
Apprentice--Ivypaw
Dawnflower—pale gray she-cat
Dapplenose—mottled gray she-cat
Poucetail—ginger-and-white tom
Queens
Icewing—white she-cat with green eyes, mother of Beetlekit, Pricklekit, Petalkit, and Grasskit
Graymist—Pale gray tabby, mother of Sneezekit and Mallowkit
Elders
Heavystep—thickset tabby tom
Swallowtail—dark tabby she-cat
Stonestream—gray tom
ShadowClan
Leader
Russetstar—dark ginger she-cat
Deputy
Oakfur—small brown tom
Medicine Cat
Littlecloud—very small tabby tom
Warriors
Rowanclaw—ginger tom
Smokefoot—black tom
Apprentice--Owlpaw
Ivytail—black, white, and tortoiseshell she-cat
Toadfoot—dark brown tom
Queens
Tawnypelt—tortoiseshell she-cat with green eyes
Snowbird—pure white she-cat
Elders
Cedarheart—dark gray tom
Tallpoppy—long-legged light brown tabby she-cat
WindClan
Leader
Crowstar—dark gray tom
Deputy
Sunwing—flame-red she-cat with green eyes, Crowstar's mate
Medicine Cat
Barkface—short-tailed brown tom
Apprentice—Kestrelpaw
Warriors
Owlwhisker—light brown tabby tom
Whitetail—small white she-cat
Apprentice--Heatherpaw
Weaselfur—ginger tom with white eyes
Ashfoot—gray she-cat
Queens
Gorsetail—very pale gray-and-white cat with blue eyes, mother of Thistlekit, Sedgekit, and Swallowkit
Elders
Morningflower—very old tortoiseshell queen
Webfoot—dark gray tabby tom
Other Animals
Ranger—old German Shepard
Victor—tan Chihuahua
Butch—gray-and-white sheepdog
Rex—tan Irish wolfhound
Sam—twoleg who owns an animal shelter, helped Sparkpaw escape a fox and healed him afterward
Hunter—dog who wants to kill Ranger