Wolf and Sheepdog
Overview
 
Ralph E. Wolf and Sam Sheepdog are characters in a series of animated cartoons
Animation
Animation is the rapid display of a sequence of images of 2-D or 3-D artwork or model positions in order to create an illusion of movement. The effect is an optical illusion of motion due to the phenomenon of persistence of vision, and can be created and demonstrated in several ways...

 in the Warner Bros.
Warner Bros. Cartoons
Warner Bros. Cartoons, Inc. was the in-house division of Warner Bros. Pictures during the Golden Age of American animation. One of the most successful animation studios in American media history, Warner Bros. Cartoons was primarily responsible for the Looney Tunes and Merrie Melodies theatrical...

 Looney Tunes
Looney Tunes
Looney Tunes is a Warner Bros. animated cartoon series. It preceded the Merrie Melodies series and was Warner Bros.'s first animated theatrical series. Since its first official release, 1930's Sinkin' in the Bathtub, the series has become a worldwide media franchise, spawning several television...

and Merrie Melodies
Merrie Melodies
Merrie Melodies is the name of a series of animated cartoons distributed by Warner Bros. Pictures between 1931 and 1969.Originally produced by Harman-Ising Pictures, Merrie Melodies were produced by Leon Schlesinger Productions from 1933 to 1944. Schlesinger sold his studio to Warner Bros. in 1944,...

line of cartoons. They were created by Chuck Jones
Chuck Jones
Charles Martin "Chuck" Jones was an American animator, cartoon artist, screenwriter, producer, and director of animated films, most memorably of Looney Tunes and Merrie Melodies shorts for the Warner Bros. Cartoons studio...

.

Ralph (named after a Warner Bros. employee) has virtually the same character design as another Chuck Jones character, Wile E. Coyote
Wile E. Coyote and Road Runner
Wile E. Coyote and The Road Runner are a duo of cartoon characters from a series of Looney Tunes and Merrie Melodies cartoons. The characters were created by animation director Chuck Jones in 1948 for Warner Bros., while the template for their adventures was the work of writer Michael Maltese...

—brown fur, wiry body, and huge ears, but with a red nose in place of the Coyote's black one; (usually) white eyes instead of Wile E.'s yellow; and, occasionally, a fang protruding from his mouth.
 
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