- Are you out of your blinking head?
- -- Captain Boomerang src
History of character has not yet been written.
- This version of the character is exclusive to the continuity of the DCAU and is an adaptation of Captain Boomerang. The original character was created by John Broome and Carmine Infantino and first appeared in The Flash #117.
- 7 Appearances of George Harkness (DCAU)
- 3 Images featuring George Harkness (DCAU)
- 2 Quotations by or about George Harkness (DCAU)
- Character Gallery: George Harkness (DCAU)
- Captain Boomerang at dccomics.com
- Captain Boomerang at Wikipedia.org
- Captain Boomerang at the DC Animated Universe Wikia
Suicide Squad member