Who killed Robin's parents?
Approved answer
Who killed Robin's parents?
As the youngest member of the renowned acrobat family known as the Flying Graysons, Grayson witnesses the murder of his parents by mafia boss Tony Zucco, who seeks to extort money from the circus that employed them. Following this tragedy, Bruce Wayne takes Grayson under his wing as his legal ward and trains him to become his sidekick, Robin.