There's many to choose from (and most are bigger names today than Nash and Steiner).
Hardy, Angle, AJ, Samoa Joe, Storm, Roode, Aries, Abyss, Chavo, Sabin, Magnus, Rampage, EY, Jarrett.
Possible returns could include RVD, Raven (first guy to win world title at WWE, WCW, ECW & TNA, Foley being...