Prime

Prime is the superhero identity of Kevin Green, a teenage boy who transforms into a towering, muscular figure with enhanced abilities. His transformation involves a living substance that reshapes his body, granting him superhuman strength, durability, flight, and energy projection. Kevin retains his youthful mind while in his heroic form, which allows him to control the extent of his powers. The character originated in Malibu's Ultraverse and has appeared in various comic series and animated adaptations.