Here are the already taken superstars. I will also put the user name next to each guy.
number of superstars-16
Batista-Taylor091
Chris Jericho-rkofan23
CM Punk-ianrocks
Edge w/ Curt Hawkins and Zach Ryder-Bernie Brewer
Goldberg-mctitch
John Cena-Juggalo
John Morrison and The Miz-Fauche
Kevin Nash-Kevin Nash
Kurt Angle-It'sTrueIt'sTrue
Mark Henry-wallsofjericho
Mr. Kennedy-Orton is God
Randy Orton-619reyfan
Shawn Michaels-JP369
Stone Cold Steve Austin-TNEN
The Rock-vannystice
The Undertaker w/ Paul Bearer-Undertaker