Martin Greywinder is  full name.
he is a man who turned his family to toys including his daughter and son and his own brother plus his wife too which now his wife is a ghost dark spirit haunting him.
he is the co-founder of Harmony and toys and the true owner is Arthur Greywhinder. 
He is a man who also smokes too.
He speaks in full grammar.
He makes bloody toys and he made a deal with the devil himself.
he can also be aggressive sometimes.
and he ran over his dog on purpose called ''Banzo''.