Bucky is the name of several fictional maske heroes in the Marvel Comics universe. The original, James Buchanan "Bucky" Barnes, was created by Joe Simon and Jack Kirby as a sidekick character in Captain America Comics #1 (March 1941), published by Marvel's 1940s predecessor, Timely Comics. In 2008 comics, the grown Bucky became Captain America after the death of the original hero, Steve Rogers.