The introduction of Professor Clover as a member of the Clou D Family sheds light on different professions within the D ...

For Luffy, the Straw Hat Crew is his family in One Piece. Having grown up without knowing his father, and with a Grandfather who constantly endangers him in hopes of making him into a model Marine ...

Family. It is explained in this theory that the One Piece manga could connect Gunko with a character from Nico Robin's past in Ohara, Clou D. Clover, who was already revealed to be a member of the D.