Unlockable List:

WWE Raw

Fred Durst: Win all championship belts. 
Shane McMahon: Win the Hardcore title. 
Stephanie McMahon: Win the Woman's title. 
Vince McMahon: Win the WWF Heavyweight title. 
Attack Bubba Ray Dudley during his entrance: Bubba Ray Dudley's glasses 
Attack Christian during his entrance: Christian's glasses 
During his entrance attack Crash: Crash Holly's hat 
During his entrance, attack D-Von: D-Von Dudley's glasses 
During his entrance attack Fred Durst: Fred Durst's hat 
During his entrance, attack K-Kwik: K-Kwik's mic 
While fighting Kurt Angle steal his medals and hit him with them sixty four times: 
Kurt Angle's gold medals 
During his entrance attack Perry or fight him in a one-on-one hardcore match: 
Perry Saturn's moppy 
During his entrance, attack Spike: Spike Dudley's glasses 
During his entrance attack Tazz: Tazz's glasses 
During his entrance attack Edge: The Edge's glasses 
During his entrance attack Undertaker: The Undertaker's glasses 
During his entrance attack Triple H: Triple H's water bottle 
During his entrance attack X-Pac: X-Pac's bandana