X an Asian-themed game, Nomura designed the characters to give them an Asian look. Nomura first illustrated the characters' faces and started adding details upon receiving information from the staff. Since the PlayStation 2's capabilities allowed to feature multiple details, Nomura did so with characters and asked the staff to make them consistent. The hardest part from his work involved making the characters' clothes identical between full motion scenes and in-game parts. Nomura has expressed after designing serious and moody main characters for Final Fantasy VII and Final Fantasy VIII, he wanted to give Tidus a cheerful attitude and appearance, which is reflected in the name Nojima chose for him (Tiida is the Okinawan word for "Sun"). Nomura has also mentioned a contrast between the lead male and female protagonists was established by Yuna's name meaning "night" in Okinawan. Since Tidus did not originate from Spira, his outfit was made stand out from the ones from world's inhabitants. Nomura also placed image colors to each main character to give hints regarding their personalities. Since both the player and the main character find themselves in a new world, Nojima wanted Tidus' understanding of the world to reflect the player's progress in the game; a connection that allowed the player to advance Tidus' first-person narration of most of Final Fantasy X. Sub-character chief designer Fumi Nakashima's focus was to ensure that characters from different regions and cultures bore distinctive characteristics in their clothing styles, so that they could be quickly and easily identified as members of their respective sub-groups. For example, she has said that the masks and goggles of the Al Bhed give the group a "strange and eccentric" appearance, while the attire of the Ronso lend to them being able to easily engage in battle. Final Fantasy X features innovations in the rendering of characters' facial expressions, achieved through motion capture and skeletal animation technology. This technology allowed animators to create realistic lip movements, which were then programmed to match the speech of the game's voice actors. Nojima has revealed that the inclusion of voice acting enabled him to express emotion more powerfully than before, and he was therefore able to keep the storyline simple. He also said that the presence of voice actors led him to make various changes to the script, in order to match the voice actors' personalities with the characters they were portraying. Despite being worried