Who killed Robin's parents?
Approved answer
Who killed Robin's parents?
The youngest member of the acrobat family known as the Flying Graysons, Grayson witnessed the brutal murder of his parents at the hands of mafia boss Tony Zucco, who sought to extort money from the circus that employed them. Subsequently, Bruce Wayne took Grayson under his wing as his legal guardian and trained him to become his sidekick, Robin.