|Real name:||John Grayson|
|Relatives:||Mary Grayson (wife)|
Dick Grayson (son)
The three of them performed at Haly's Circus as trapeze artists called the Flying Graysons. John and his wife were both killed by a mobster named Tony Zucco, who sabotaged their circus act and caused them to fall to their deaths. It was then that Bruce Wayne took John's young son Dick Grayson in to live with him as his ward, and trained him to be a superhero called Robin.
Powers and Abilities
- John Grayson was created by Bill Finger and Bob Kane and first appeared in Detective Comics # 38 (April 1940).