from the Earl's soul in some way, they can only be fully destroyed by the Innocence, Dark Matter's opposite. While the souls of Akuma survive and move on when destroyed by the Innocence, whenever an Akuma self-destructs or is consumed by another, the soul is consumed by Dark Matter and fades away to nothing. Skulls Skulls are the dehumanized servants of The Millennium Earl, and are the antagonistic counterpart of the Black Order's Science Department, specializing in black magic. Humanoid in form, they wear bulky robes and possess skeletal heads. Created through specialized, arcane magic, they were originally humans with exceptional minds, hand-picked by the other skulls from human prisoners. Though they are not seen to fight physically, Skulls are extremely durable, readily taking bullets to the head with little visible effect. Sunlight seems to vanquish them, as their bodies turn to sand when exposed to it. Beyond assisting the Earl in producing Akuma cores, they perform a variety of other tasks such as cleaning the Ark and sewing and designing the Earl's clothes, among other forms of manual labor. Minor characters Mana Walker is Allen's adoptive father, a travelling clown who adopted him on Christmas Day. Over time, Allen formed a very strong bond with Mana, though he had initially been annoyed with him. Eventually, Mana died at some point, putting Allen in a state of grief. It was then the boy was approached by the Millennium Earl, who offered to revive Mana for Allen, an offer which the boy accepted. When Allen turned him into an Akuma. Mana sliced through Allen's left eye, cursing him and marking it with a pentacle. He was quickly destroyed by Allen's awakened anti-Akuma weapon, but not before his original self forced its way to the surface to tell Allen that he loved him. He is allegedly the older twin brother of the 14th Noah, Nea D. Campbell. Mana also taught Allen the "notes" on the 14th's music score. According to Cross, Mana began to lose his grip on reality by the time Allen was adopted, undermining Allen's belief that Mana truly loved him, instead of loving the Noah that Allen possessed. His name was later revealed to be Mana D. Campbell, and he is actually one half of the Millennium Earl himself, alongside his twin brother, Nea. Mana was voiced by Fumihiko Tachiki in Japanese. In English, he is voiced by Mark