Recent content by Tony Tony D. Ace

Not just that. Luffy is the new "Joy Boy" because the df makes him laugh. "Joy Boy"'s name, most likely, comes from the user of the Hito Hito no mi: Nika's laughter while having the fruit awakened. It's more than just the Will of D.. Luffy is now "Joy Boy" because his df makes him laugh similarly.

I think a safe assumption we can jump to is in "Joy Boy"'s name. Joy Boy was definitely an eater/user of the Hito Hito no mi: Nika Model. If Luffy is a reincarnation of "Joy Boy", the name itself is hinted at by how Luffy acted in this chapter; he laughed the whole time. He was filled with JOY...