Original manga creator Eiichiro Odadesigned Ann, a singer who can create illusions, for the "One Piece Live Attraction 3 Phantom" attraction at the Tokyo One Piece Tower indoor theme park in 2017.
Oda designed the new film-original characters Douglas Bullet and Buena Festa. Douglas Bullet is a former member of Roger's pirate crew, while Buena Festa is a promoter for the "Pirate's World Fair," a festival by pirates and for pirates. The voice actor for Douglas has yet to be revealed.
The film will open in theaters in Japan on August 9, in celebration of the anime's 20th anniversary.