Timbuctoo/Happy Tree Friends

Sniff as Cuddles

Cluck as Giggles

Roar as Toothy

Bleat as Lumpy

Quack as Petunia

Beak as Handy

Squawk as Nutty

Hoot as Sniffles

Grizzle as Pop

Growl as Flaky (I know Flaky is female, but Growl is the only character who fits her)

Honk as Russell

Woof as Lifty

Meow as Shifty

Puff as Flippy

Moo as Lammy