Cannonball (born Samuel "Sam" Zachary Guthrie) is a mutant who has the ability to fly at jet speeds while encased in an impenetrable force field.
- Energy Field Propulsion - Cannonball possesses the ability to generate thermo-chemical energy and release it from. This energy is used as thrust to cause his body to be propelled through the air, like his namesake, at great heights and speeds.
- In the comics, Cannonball is older biological brother of Generation X member Husk.
- In the comics, Cannonball had a relationship with the rock star mutant Lila Cheney who is friends with the New Mutants.
- Cannonball is a Southern farm boy mutant born in Cumberland County, Kentucky he comes from a large family and is the son of a coal mining father. His religion like the rest of his family is Southern Baptist.