CreekClan - reckless, rebellious, dependable
WillowClan - ambitious, restless, adventurous
FloodClan - spontaneous, carefree, kind
HorizonClan - daring, lively, cheerful
PeakClan - stubborn, bold, decisive

And if you ain't read Warrior Cats before, lemme run you through the ranks.
Leader - self explanatory.
Deputy - second in command.
Medicine Cat - the medic of the clan. They speak with the dead and receive prophecies and warnings.
Medicine Cat's Apprentice - training under the medicine cat.
Warriors - the hunters, scouts, and fighters of the clan.
Warrior Apprentices - training under a warrior.
Queens - she-cats who are pregnant or nursing kits.
Kits - the smol beans with squish paws.
Elders - The old guys. They're always respected.