 Following the "Crisis on Infinite Earths" continuity reboot in 1985, Nightwing was re-imagined as a legendary vigilante from Krypton whose story inspires Dick Grayson's choice of name when he leaves behind his Robin identity.Other stories set among the "Batman" family of characters have seen acquaintances and friends of Richard John "Dick" Grayson briefly assume the title, including his fellow Robin alumnus Jason Todd.Meanwhile, "Superman" stories have seen Superman's adopted son Chris Kent and Power Girl take up the name for brief turns as Nightwing.