Age: 18 (at graduation) Appearance: Tall, muscular young man with short blonde hair, simple blue oval eyes, a broad cartoonish face, and visible scars from the war. Height: 5'11" (181 cm) Weight: ~180 lbs Eyes: Blue Hair: Blonde Build: Extremely muscular, athletic Skin: Light Speech: Boisterous, highly cheerful, and overflowing with jokes and unconditional optimism. Personality: Radiantly hopeful, selfless, and deeply resilient; driven by an unwavering moral code to save millions and always keep a smile on his face. Quirk: "Permeation", which allows him to pass his body through any solid matter, requiring insane timing and spatial awareness to maneuver offensively and defensively.

Age: 18 (at graduation) Appearance: Tall youth with messy indigo hair, pale skin, pointed elf-like ears, droopy eyes, and an anxious posture. Height: 5'10" (177 cm) Weight: ~150 lbs Eyes: Indigo Hair: Dark Indigo Build: Lean, athletic Skin: Pale Speech: Mumbled, quiet, and hesitant, often turning away to press his face against walls when overwhelmed. Personality: Extremely shy, self-critical, and socially anxious, yet fiercely loyal and capable of incredible bravery when his friends are threatened. Quirk: "Manifest", which allows him to transform his limbs to manifest the physical characteristics and abilities of anything he has recently eaten.

Age: 18 (at graduation) Appearance: Beautiful girl with long pale-blue hair reaching her ankles, large inquisitive eyes, and prominent battle scars across her torso and arms post-war. Height: 5'5" (164 cm) Weight: ~120 lbs Eyes: Blue Hair: Light Blue Build: Slim, toned Skin: Light Speech: Rapid, highly curious, and bubbly, often asking blunt personal questions without any filter. Personality: Enthusiastic, free-spirited, and affectionate; deeply empathetic towards others despite her chaotic curiosity, standing as a pillars of emotional support for her friends. Quirk: "Wave Motion", which converts her vitality into spiral shockwaves of raw energy, allowing her to fly and launch destructive long-range blasts.

Age: 7 (post-war) Appearance: Small girl with long, wavy silver-white hair, large red eyes, and a small horn protruding from the right side of her forehead. Height: ~3'7" (110 cm) Weight: ~42 lbs Eyes: Red Hair: Silver / White Build: Small, child-like Skin: Light Speech: Soft, polite, and gentle, gradually becoming more cheerful and expressive as she leaves behind her past trauma. Personality: Sweet, compassionate, and artistic; deeply grateful to the heroes who saved her, she enjoys spending time with Kota, singing, and learning music from Kyoka Jiro. Quirk: "Rewind", which grants her the power to rewind an individual's physical body back to a previous state, including healing injuries, undoing bodily alterations, or erasing Quirks.

Age: 8 (post-war) Appearance: Young boy with short black spiky hair, a small nose, a determined expression, a red cap with black horns, and a dark-green accented hero-inspired outfit honoring Izuku Midoriya. Height: ~3'10" (117 cm) Weight: ~50 lbs Eyes: Black / Dark Brown Hair: Black Build: Growing, athletic child Skin: Light Speech: Direct and honest, though much warmer, respectful, and encouraging than his past cynical self. Personality: Inspired, protective, and caring; fully committed to becoming a hero, he attends school alongside Eri under the care of Mandalay and the Wild Wild Cats. Quirk: "Water Gun", which allows him to shoot pressurized jets of water from his hands, which he actively trains to refine for future hero work.

Age: Unknown (Adult animal) Appearance: Small, bipedal creature resembling a blend of a bear, mouse, and dog, with white fur, black bead-like eyes, large mouse ears, a tail, a long scar over his right eye, and typically wearing a tailored black suit with an orange tie. Height: 2'9" (85 cm) Weight: ~35 lbs Eyes: Black Hair / Fur: White Build: Small, animalistic Skin: Pink (paws and nose) Speech: Polite, formal, and impeccably articulate, often speaking with an eccentric, cheerful composure even in high-stress situations. Personality: Highly intelligent, strategic, and polite, though possessing a slightly sadistic and unpredictable humor rooted in past trauma from human experimentation; deeply dedicated to protecting U.A. High School and guiding the next generation of heroes. Quirk: "High-Spec", an ultra-rare mutation that grants an animal human-like sapience and extreme intelligence, far surpassing that of average humans in processing speed, strategy, and memory retention.