Who killed Robin's parents?
Approved answer
Who was responsible for the deaths of Robin's parents?
As the youngest member of the renowned acrobatic family known as the "Flying Graysons", Grayson witnessed a mafia leader named Tony Zucco murder his parents in an attempt to extort money from the circus that hired them. Following this tragedy, Bruce Wayne took Grayson under his wing as his legal ward and trained him to become his sidekick, Robin.