Walter Lantz (April 27, 1899 – March 22, 1994) was an American cartoonist, animator, producer and director best known for founding Walter Lantz Productions and creating Woody Woodpecker.
[biography (excerpted) from Wikipedia]
Oswald the Lucky Rabbit (the title character and main protagonist of the series)
Ortensia the Cat (the second main protagonist and Oswald's love interest)
Francine "Fanny" Cottontail (the deuteragonist and Oswald's childhood friend in my version)
Paul the Pig (the second deuteragonist and the Oswald's best friend)
Homer the Cat ( the tritagonist and Ortensia's nephew in my version)
Ostwald the Evil Rabbit (The main antagonist of the series and Oswald's evil twin)