From Alathra Wiki

MilkManJ6 is the name of RaptorJ6 while he was (and still is) in his milk delivering arc. He would deliver milk, far and wide, and on milk day you would leave him milk, and he would bless you with the sweet sweet lactose from the utters of betty. It is fabled that he still lives, delivering milk to all the good people of

He is the one and only, MilkMan!
THE MilkManJ6