Kuromomotarou

Kuromomotarou a.k.a. Dark Peach Boy or Poison Peach Boy (English manga) uses one of the first of many strange items from the Fractured Fairy Tales, enchanted Millet Dumplings. First he turns himself into a monstrous ape (Buju Soko: Maen No So (Beast Skin: Armor of the Demon Monkey), then a bird (Buju Soko: Machi No So (Beast Skin: Armor of the Demon Bird) and finally a wolf (Buju Soko: Maken No So (Beast Skin: Armor of the Demon Wolf). Before using each of these, he allows Hiei to attack him, thus learning each attacks' strengths and weaknesses so when his body takes on a new form it can be immune to those attacks. Hiei defeats him using the Jaou Ensatsu Ken ("Sword of darkness flame"). His character is based on the tale of Momotarou. C class demon.