Each wrestler has four costumes. One way to view those costumes is to do a 4-Way match with the same wrestler and use a different costume for each one. Also, you can enter the bio room, choose a wrestler, and press Up or Down when the person appears.
Random wrestler
Press R at the character selection screen.
Big feet mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as "Little" Spike Dudley.
Big hands mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Super Crazy.
Big head mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Simon Diamond.
Headless mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as New Jack.
Little head mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Amish Roadkill.
Random head mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Nova.
Ego mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Jerry Lynn.
Fat man mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as "Big" Sal E. Graziano.
Big damage mode
Win the Toughman Belt Tournament under the hard difficulty setting and with the no blocking option enabled.
Hangman mode
Win the Heavyweight Belt Tournament under the hard difficulty setting as Kid Kash.
Custom stuff
Successfully complete single player career mode under the hard difficulty setting with a created wrestler.
Stable stuff
Successfully complete single player career mode as Stable or a featured or custom wrestler.
Easy Reversals
Hold the belts with all the Featured Jobber Wrestlers.
Super Tie-Up
Win the Toughman Belt Tournament.
Bill Alfonso
Win the Heavyweight Belt Tournament under the hard difficulty setting as Tony Devito.
Booger
Win the Heavyweight Belt Tournament under the hard difficulty setting as The Prodigy.
Candy Girl
Win the Heavyweight Belt Tournament under the hard difficulty setting as C.W. Anderson.
Cyrus The Virus
Win the Heavyweight Belt Tournament under the hard difficulty setting as Rhino.
Doug Gentry
Win the Heavyweight Belt Tournament under the hard difficulty setting as Masato Tanaka.
Esophicus
Win the Heavyweight Belt Tournament under the hard difficulty setting as Yoshiro Tajiri.
Helia Monster
Win the Heavyweight Belt Tournament under the hard difficulty setting as Jason.
Jan E. Regan
Win the Heavyweight Belt Tournament under the hard difficulty setting as Little Guido.
Jester
Win the Heavyweight Belt Tournament under the hard difficulty setting as Francine.
Jim Molineax
Win the Heavyweight Belt Tournament under the hard difficulty setting as Rhino.
Joel Gertner
Win the Heavyweight Belt Tournament under the hard difficulty setting as Mikey Whipwreck.
Joey Styles
Win the Heavyweight Belt Tournament under the hard difficulty setting as The Sandman.
John Finegan
Win the Heavyweight Belt Tournament under the hard difficulty setting as Angel.
Judge Jeff Jones
Win the Heavyweight Belt Tournament under the hard difficulty setting as Jack Victory.
Gabe S
Win the Heavyweight Belt Tournament under the hard difficulty setting as Lance Storm.
Kid
Win the Heavyweight Belt Tournament under the hard difficulty setting as Steve Corino.
Lance Storm
Win the Heavyweight Belt Tournament under the hard difficulty setting as Trainer
Lou E. Dangerously
Win the Heavyweight Belt Tournament under the hard difficulty setting as "Beautiful" Billy Wiles.
Mad Goat
Win the Heavyweight Belt Tournament under the hard difficulty setting as Electra.
Martian Boy
Win the Heavyweight Belt Tournament under the hard difficulty setting as Tommy Dreamer.
Paul Heyman
Win the Heavyweight Belt Tournament under the hard difficulty setting as Dusty Rhodes.
Rob Feinstein
Win the Heavyweight Belt Tournament under the hard difficulty setting as Danny Doring.
Sally M
Win the Heavyweight Belt Tournament under the hard difficulty setting as Dawn Marie.
Shaman
Win the Heavyweight Belt Tournament under the hard difficulty setting as Chris Chetti.
The D I
Win the Heavyweight Belt Tournament under the hard difficulty setting as Justin Credible.
Valkyrie
Win the Heavyweight Belt Tournament under the hard difficulty setting as Jazz.
William F
Win the Heavyweight Belt Tournament under the hard difficulty setting as Balls Mahoney.
Alternate chants
Press Start after the fans are cheering, and they will change their chant