Akio Ōtsuka
To expand the connection between Terra and Riku, scenes foreshadowing future events involving Riku from Terra's perspective were added to the game, though Nomura has stated that these scenes are not of a precognitive nature. Nomura expects that in future games, the connection between both of them would be expanded. Ryōtarō Okiayu was chosen as Terra's Japanese voice actor as the staff wanted an actor who sounded similar to Chikao Ōtsuka, Xehanort's original voice actor, and Akio Ōtsuka, Xehanort's current voice actor who also voiced the villain while using Terra's body. The staff found Chikao's was a dry sort of voice, Akio's a deep, resonating sort of voice, and liked how Okiayu bore elements from both actors.