Yakko, Wakko and Dot

Merrie Melodies 
Looney Tunes

Characters introduced in the 1930s

Beans Cat
Bosko
Bruno
Buddy
Cookie
Daffy Duck
Do-Do Bird
Egghead Fluffy
Foxy
Gabby Goat
Goopy Geer
Granny
Bugs Bunny prototype
Honey
Little Kitty
Oliver Owl Piggy
Petunia Pig
Porky Pig
Pinkie Pig
Roxy
Sniffles
Towser
Wilbur

1940s

A. Flea
Babbit and Catstello
The Barnyard Dawg
Beaky Buzzard
Bobo the Elephant
Bugs Bunny
Cecil Turtle
Charlie Dog
Claude Cat
Colonel Shuffle
Conrad the Cat
The Dover Boys
Elmer Fudd Foghorn Leghorn
Goofy Gophers
Gossamer
Gruesome Gorilla
Henery Hawk
Hippety Hopper
Hubie and Bertie
Inki
K-9
Mazie the Bird
Marvin the Martian
The Mynah Bird
Pepé Le Pew Penelope Pussycat
Private Snafu
Quentin Quail
Road Runner
Rocky and Mugsy
Sylvester the cat
The Three Bears
Tweety
Wacky Worm
Wile E. Coyote
Willoghby the dog
Yosemite Sam

1950s

Clyde Bunny
Crusher
Dodsworth the Cat (Merrie Melodies)
Egghead Jr.
Frisky Puppy
Hector the Bulldog
Honey Bunny
Jose and Manuel
Marc Antony and Pussyfoot
Melissa Duck
Michigan J. Frog
Miss Prissy Pete Puma*
Ralph Phillips
Sam Sheepdog and Ralph Wolf
Slowpoke Rodriguez
Speedy Gonzales
Spike the Bulldog and Chester the Terrier
Sylvester Junior
Tasmanian Devil (Taz)
Toro the bull*
Witch Hazel

1960s & beyond

Agatha and Emily
Babs and Buster Bunny
Bunny and Claude
Count Bloodcount
Colonel Rimfire
Cool Cat Quick Brown Fox and Rapid Rabbit
Chimp and Zee
Cornbread
Elmyra Duff
Floyd Minton
Hamton J. Pig
Honey Bunny
Hugo the Abominable Snowman
Li'l Sneezer
Loco Crow Lola Bunny
Merlin the Magic Mouse
Second Banana
Plucky Duck
Pinky and the Brain
Malcolm Falcon
Queen Tyr'ahnee
Yakko, Wakko, and Dot
Rita and Runt
Slappy Squirrel
Goodfeathers
Buttons and Mindy
Gogo Dodo
Montana Max
Furrball
Calamity Coyote
Little Beeper
Dizzy Devil
Shirley the Loon
Fowlmouth
Sweetie Pie
Fifi La Fume

Duck Amuck (1953)
http://www.youtube.com/watch?v=ewVrlNl3MyA

That's all folks!

[A Troll in Central Park,Cats Don't Dance, Quest for Camelot, The Iron Giant,The King and I,The Nutcracker Prince]