Cannonball (Samuel Zachary Guthrie) is a fictional Marvel Comics superhero, associated with the X-Men. Created by writer Chris Claremont and artist Bob McLeod, Cannonball first appeared in Marvel Graphic Novel #4: The New Mutants (1982). Cannonball is a mutant who possesses the ability to fly at jet speeds while encased in an invulnerable force field. The eldest of a large Kentucky coal mining family, Cannonball is one of few X-Men from a southern, rural background and has maintained the values of civility, hard work, and a strong commitment to his beliefs throughout his career as a superhero. Several of his siblings are also mutants and have joined X-Men-related teams, including his sisters, Paige and Melody, and brothers Jay and Jeb. Other siblings include a brother named Lewis, and four more sisters: Joelle, Elizabeth, Cissie and another unnamed sister.