Here's a definitive list by yours truly containing all pink villagers and their species and personalities.
I hope you find it useful ^^~
Apple - Peppy Pink Hamster
Bob - Lazy Pink /purple Cat
Cheri - Cherry Pink Peppy Cub
Chow - Pink Cranky Bear
Chrissy - Pink Peppy Rabbit
Claudia - Pink Snooty Tiger
Curly - Pink Jock Pig
Diana - White/Pink Snooty Deer
Flora - Pink Peppy Ostrich
Freckles - Pink Peppy Duck
Fuschia - HOT Pink Uchi Deer
Gayle - Pink Normal Alligator
Marcie - Powdery Pink Normal Kangaroo
Merengue - Pink Normal Rhino
Midge - Hot Pink Normal Bird
Miranda - Hot Pink Snooty Duck
Nana - Pink Normal Monkey
Octavian - Pinkish Cranky Octopus
Pinky - White/Pink Peppy Bear
Peaches - Pink Normal Horse
Peanut - Pink/Purple Peppy Squirrel
Puddles - Pink Peppy Frog
Rocket - Pink Uchi Gorilla
Vladamir - Pink Cranky Cub