Anthrax:
Complete Bonus 7 in Mega Challenge mode.

Captain Hook:
Complete Tournament 25 in Mega Challenge mode.

Cyclops:
Complete Challenges 36, 37, 38, 39, and 40 in Mega Challenge mode.

Donkey:
Complete Tournament 7 in Mega Challenge mode.

G-nome:
Complete Challenges 11, 12, 13, 14, and 15 in Mega Challenge mode.

Huff N' Puff Wolf:
Complete Tournament 20 in Mega Challenge mode.

Humpty Dumpty:
Complete Bonus 4 in Mega Challenge mode.

Luna:
Complete Challenges 26, 27, 28, 29, and 30 in Mega Challenge mode.

Quasimodo:
Complete Tournament 3 in Mega Challenge mode.

Robin Hood:
Complete Tournament 13 in Mega Challenge mode.