Dog (An American Tail 2: Feivel Goes West)

He is not a villain.

The Dog is a Brown Dog Which Resembles Byron Basset From Tiny Toons. He was a Sherriff in An American Tail 2: Feivel Goes West

Trivia

 * The Brown Dog Resembles Barnyard Dawg From Looney Tunes.
 * He Also Resembles Woody From The Toy Story Series.