This older, more violent incarnation is the alternate dimension version of Nightwing.[71] A member of Superman's Regime, he is first seen accompanying Hawkgirl and the Regime Soldiers into attacking the Joker Clan's hideout. Both of them are defeated by the Joker and retreat when the Batman of the Insurgency and the mainstream Justice League members with him arrive. When Nightwing and Catwoman fight Batman and Green Arrow, Green Arrow tries to reason with Nightwing, thinking he is Dick Grayson.