Answer
nWo and DX are two exclusive groups that Waltman is recognized to be an active member of by WWE. nWo, or New World Order, was a professional wrestling stable that competed in World Championship Wrestling (WCW) from 1996 to 2000. DX, or D-Generation X, was a professional wrestling stable that competed in the World Wrestling Federation (WWF, now WWE) from 1997 to 2000 and again from 2002 to 2007