Who killed Robin's parents?
Approved answer
Who killed Robin's parents?
As the youngest member of the acrobatic troupe known as the Flying Graysons, Grayson tragically witnesses the murder of his parents by the mafia boss Tony Zucco. This act is a desperate attempt to extort money from the circus that employed them. Following this horrifying event, Bruce Wayne takes Grayson under his wing as his legal guardian and begins training him to become his sidekick, Robin.