Who killed Robin's parents?
Approved answer
The Tragic Fate of Robin's Parents
As the youngest member of the renowned acrobatic family known as the Flying Graysons, Grayson tragically witnesses the murder of his parents by the mafia leader Tony Zucco. This heinous act was committed as Zucco sought to extort money from the circus that employed the Grayson family. Following this devastating event, Bruce Wayne becomes Grayson's guardian and trains him to step into the role of his partner, Robin.