The Rawhide Kid, real name Johnny Clay Bart is a character from Marvel Comics that appears in Agent Carter, played by Walker Roach. He is one of the first superheroes in the Marvel Cinematic Universe, fighting crime and the forces of evil as a masked hero in the Wild West. He is an expert marksman and has an incredibly fast horse. He is many ways similar to the Lone Ranger.
The Rawhide Kid was created by Stan Lee and Bob Brown.