Until now i have some solved:
Bendy: Ink demon(dragon kind), imp body, cannot talk for its troath is flooded with ink, almost never slips on the ink, was deformed by the ink machine. Have blot.
Boris: Ink demon(spider kind), wolf body, body feels too heavy because of all the limbs, ink and muscles, often slips on the ink, was deformed by the ink machine. Have blot.
Cuphead: Porcelain(fire element), shapeshifter bloodline(cannot transform), specialty is massive destructive attacks and body size manipulation(separeted).
Mugman: Porcelain(water element), shapeshifter bloodline, body condensation(can turn into fog/smoke), specialty is sneaky attacks and strategy but also is good with spell sighs (better thought process).
Alice: Ink demon(goat kind), Angel body, have half porcelain soul but ink demon "blood" is the strongest, can use gold magic(porcelains abilities) and control it very well, not deformed by the machine. Does not have the blot.
Miss Chalice: Porcelain(wind element), fairy bloodline, more conection with nature, naturally charms every creature that looks at her, conection with animals, speciality is tornados and creature hipnoses, also is very good at hand spells. (GHOST so most powers don't really work)
Felix: Cat body, adventurous and explorer, close friends with the cups and family lives next to them, most like an uncle, used to go in adventures with the cups parents but started going on them himself. Major cause of the C-bros finding the B-bros.
Minnie: Mouse kind, witch specialized in potions, lives in a tower very very far from Wonderland, don't like talking about her old life, adopted Alice when she was very very young. Kept the name "Alice" because was the name writed where she find her, but added "Angel" afterwards because though it would be cute.
(Darling was late added to all of the three demons names)
Joey was someone trying to get money out of everything they could find to achive his dreams, including the machine, but it couldn't be public, the king couldn't know.