Favorite rank:
Leader: Spark
Deputy: Bee
Medicine cat: Apple
Medicine cat apprentice: Dove
Queen: Soft
Warrior: Bird
Apprentice: Crow
Kit: Hawk
Loner: Echo
Rogue: Tiger
Kittypet: Rust
None: Raven
Multiple: Robin
Other: Little

Least favorite rank:
Leader: Storm
Deputy: Leaf
Medicine cat: Pool
Medicine cat apprentice: Flight
Queen: Fur
Warrior: Claw
Apprentice: Stripe
Kit: Wing
Loner: Path
Rogue: Cloud
Kittypet: Feather
None: Frost
Multiple: Pelt
Other: Tail

Softcloud or Softfeather for me. Or Littlefrost... Idek.