The DC villain who famously broke Batman's back is Bane. This event occurred during the "Knightfall" storyline, where Bane first weakened Batman by releasing all the inmates of Arkham Asylum, forcing Batman to exhaust himself recapturing them. When Batman was physically and mentally drained, Bane ambushed him at Wayne Manor and overpowered him, ultimately breaking Batman's back over his knee, leaving him paralyzed and unable to continue as Batman for a time
. This moment is iconic and is often referred to as "Breaking the Bat," with Bane earning the nickname "The Man Who Broke the Bat" due to this feat
. The injury forced Bruce Wayne to retire temporarily and pass the mantle of Batman to others, such as Nightwing, while Bane took control of Gotham's underworld