-Slashuur-
Defeat him in the battle nexus tournament

-Karai-
Defeat her in the foot fight tournament

-Splinter-
Beat the game and you can use Splinter in place of Donatello

-Casey Jones-
Beat the Open Brawl Tournament and Casey Jones will be playable in place of Raphael

Super Offense Power (Attack x2)
S D L S R L L

Abyss
S D S D R L D

Fatal Blow
L R S R D R D

Lose Shuriken
R L M R D S L

Nightmare
S L S D R D L

Pizza Paradise
M R L M R M R

Poison
D R S L L S R

Self Recovery
D R M S R L R

Squeaking
M L D S R D M

Super Defense Power
L D R M R L M

Super-Tough
R D S R M R L

Toddling
S S S M R D D