Comments of chapter undefined of Reincarnation in One Piece: The Adventure of Ian Louis! [COMPLETE!]

Hey author is the mc's name Ian or Louis cause in one piece if someone is from the Family of D their last name is written first like Monkey D. Garp not Garp D. Monkey. So can you tell me what is mc's name & what's his Family name

thanks for the chater authorr

Thanks for the chapter

Thank you for the chapter.

Thank you author-sama for the chapter

Thanks for the chapter