Boy Wonder !

Robin is the position of Batman's sidekick and crimefighting partner, a teenage vigilante who patrols Gotham City armed with intensive martial arts abilities and a number of high-tech gadgets. There have been five as members of the Batman Family in regular continuity. The original Robin was Dick Grayson, a young circus acrobat whose parents had been killed by mobsters. Bruce Wayne witnessed the murders and took him in as his legal ward to guide him through the tragedy and help him find direction. Grayson would eventually outgrow his position and take the name Nightwing.

Dick Grayson was created by Bill Finger, Bob Kane and Jerry Robinson.
first appearing in Detective Comics #38. (1940)
In his first appearance, Dick Grayson is an 8 year-old circus acrobat.