Confirmed
King Pen - Warriors Ponytail
Golden Queen - Pharaoh's Pride
Ambush - I forgot the name but it's like, his leafy hair.
Ti-Tip - His helmet.... thing... (Names pls)
Mysticat - King's Tail
Wolfgang - Wolfgang's Legs
Wild Storm - Wild Storm's Arm Guards
Crash Bandicoot - Crash Arms
Predictions
Starcast - Hopefully four Arms
Hood Sickle- Shoulder Guards
Boom Bloom - Artichoke Pigtails
Chopscotch - Her Ponytail
Flarewolf - His Ears or his Arm Guards
Barbella - Arm Guards
Water Quickshot - Her hat
Tae Kwon Crow - Shoulder Guards
Ember - Part of the Samurai Set?
Air Strike - His helmet (but I want the bird ;-

Pain-Yatta - I don't even know
Pit Boss - Maybe he unlocks a swashbuckler tail :C
Aurora - Eon's Helmet
Blaster-Tron - Shoulder Guards
Dr. Krankcase - His Hat (I want his legs tho)
Buckshot(?) - His arms or legs or something
Cortex - HIS BIG HE- Just kidding. I don't know what he could even unlock
Chompy Mage - .....Chompy Puppet? I really don't know. Chompy Shoulder Guards?
Kaos - Kaos Weapons? Maybe? I have no clue.
So what do you think?