What type of animal is the "Winnie the Pooh" character for whom Bud Luckey was the voice actor?  
Bud Luckey: William "Bud" Luckey (born July 28, 1934) is an American animator, cartoonist, singer, musician, designer, composer, artist and voice actor. Bud Luckey:  As a voice for animated characters Luckey is known as the voice of Rick Dicker in "The Incredibles", Chuckles the Clown in "Toy Story 3" and "Toy Story 4" and as the "Winnie the Pooh" character Eeyore from A. A. Milne's classic children's book series "Winnie-the-Pooh". Eeyore: Eeyore ( ) is a character in the "Winnie-the-Pooh" books by A. A. Milne. Eeyore:  He is generally characterized as a pessimistic, gloomy, depressed, anhedonic, old grey stuffed donkey who is a friend of the title character, Winnie-the-Pooh.
donkey