Mashirao Ojiro, a student in U.A. High’s Class 1-A, trains rigorously to become a Pro Hero, wielding a Mutant-type Quirk named Tail—a hairless, muscular appendage ending in a tufted tip. This prehensile tail bolsters his combat prowess with crushing strikes and agile maneuvers, its power intensifying through disciplined practice. His fighting style blends traditional karate with acrobatic tail techniques, prioritizing precision and fluid close-quarters tactics. Ojiro’s athletic frame features short blond hair swept forward, narrow eyes lacking lower lashes, and a cross-shaped scar marking his left cheek in later years. His hero costume mirrors a karate gi with a black belt, later revised post-graduation to inverted colors and equipped with communication headphones. Post-war physical changes include shorter tail hair and heightened muscularity. Calm and principled, Ojiro values honor above accolades, exemplified by his withdrawal from the U.A. Sports Festival finals upon uncovering Hitoshi Shinso’s influence. Childhood experiences of dismissal due to his Quirk’s perceived mundanity fuel a quiet resolve to transcend others’ underestimation. Though sensitive to labels of “ordinary,” he channels this into relentless self-improvement, cultivating adaptability and strategic foresight. Pivotal growth emerges through combat milestones: neutralizing villains solo during the U.S.J. crisis, refining unpredictability in the Joint Training Battle under Ectoplasm’s critique, and sharpening predictive instincts during his Shishido internship. The Nabu Island mission tested his limits as he resisted adversaries like Chimera and Nine despite eventual defeat. Achieving Pro Hero rank No. 32 as “Tailman,” Ojiro navigates challenges like chronic tail cramps and ergonomic strain. His Ultimate Moves—Tornado Tail Dance and Swamp Smack Spin—evolved from direct strikes to versatile area-control techniques. Collegial bonds with Toru Hagakure and Denki Kaminari underscore his supportive nature, though playful spin-offs like *My Hero Academia: SMASH!!* nod to his occasional overshadowing by peers. Academic records reflect consistent diligence: 7th in the Quirk Apprehension Test, 8th in midterms, and top cooperation ratings. While familial background remains undisclosed, his narrative centers on defying societal biases against “simple” Quirks, embodying perseverance through incremental mastery and quiet self-assurance.