Wild West C.O.W.-Boys of Moo Mesa (1992)
Wild West C.O.W.-Boys of Moo Mesa is a 1992 animation series created by Bob Carrau and Ryan Brown. It stars Pat Fraley, Jeff Bennett and Jim Cummings.
In the 1800s, a mysterious comet hits the U.S. southwest, transforming the local cattle and animals into their own version of the old west called Moo Mesa, complete with several lawmen dealing with bizarre outlaws.