People but with small head on Twitter: "@diplo Buff & brawny😎 https://t.co/M593dTzPux" / Twitter
Sketch Comm - Buff Sally Kissing Sonic by JamesTheReggie on DeviantArt
Its confirmed, All Might really had a buff form and normal form and wasn't caused by his injury. (From MHA Vigilanties spin-off) : r/BokuNoHeroAcademia