Isaaru Isaaru is a non - player character from " Final Fantasy X " and " Final Fantasy X - 2 " . He is a summoner in the land of Spira who travels to the temples of Yevon in search of more powerful aeons with the hopes of finally defeating Sin . Two years later , he works with Cid at a new tourist attraction . Profile . Appearance . Isaaru has brown hair , half - closed eyes and an oval face . He wears a white robe and a blue blouse with long white cuffs over it . His waist is adorned with a wide sea - green belt which has strings tied into a bow . Over this , Isaaru wears a black , knee - length jacket with sea - green edging . Personality . Being a kindhearted and eager summoner , Isaaru is a very polite person and sees others on the same level as he is . When summoners are being kidnapped , he warns Tidus of it . He deeply believes in Yevon , and even though Maester Mika asks him to " deal with the traitor " and finding her to be Yuna , he still listens to the priest ' s words . He feels sorry for doing this . Two years later , Isaaru is working with Cid at Zanarkand for a living . As Yuna intervenes into the events happening in the ruins , he begins to understand her feelings towards the place , ultimately abandoning it . Story . " Final Fantasy X " . When the player first meets Isaaru , he thinks well of the party , and admits to admiring Yuna ' s father , high summoner Braska , in his younger years . His two brothers , Maroda and Pacce , travel with him as his guardians . Nothing is ever said regarding their parents . At some point , Isaaru was captured by the Al Bhed and kept in the Summoners ' Sanctum in the Al Bhed Home . He was rescued by Tidus and the other guardians while they were looking for Yuna . He , alongside Dona , send the Al Bhed who had fallen while protecting them , after that he and his brothers are taken onto the airship . Isaaru rides the airship to the Calm Lands before returning to Bevelle . Isaaru believes wholeheartedly in Yevon , and this misplaced trust leads him to battle Yuna after she is convicted of treason . Though he is defeated , Yuna spares his life , and Auron declares his pilgrimage to be over . " Final Fantasy X - 2 " . Two years following the Eternal Calm , the now retired summoner takes a job working with Cid leading tours through Zanarkand and providing a thrilling spook to those who enter by leading them on a " mysterious " quest . Yuna and the Gullwings run across him and best him at his game . When they confront him about Zanarkand becoming a tourist attraction , he admits he would like to help the world more , but without aeons , is unsure of how to find his place . Isaaru also seems to be having a rift with his brother Maroda who has joined the Youth League . His younger brother , Pacce with a group of friends , becomes a sphere hunter and calls the group , the Kinderguardians , and the trio is split apart . Depending on the conversations the Gullwings have with Isaaru in " Final Fantasy X - 2 " , he may return to Bevelle late in the game and help lead them into a new era . Gameplay . Isaaru is " fought " in the Via Purifico when Yuna and her party are sentenced there . As a summoner , the player does not fight him directly , but rather , his legion of aeons . Once his aeons have all been defeated , Isaaru allows the party to leave . In order , Isaaru summons Grothia , Pterya , and Spathi into battle . Despite Isaaru first meeting the party in the Djose Temple , he does not use his version of Ixion . Isaaru , unlike other summoners , has renamed his aeons but because they are still the same aeon in essence , Yuna cannot summon her own version of the same aeon during the battle . Character Development . Voice . Issaru is voiced by Akio Suyama in the Japanese release and Quinton Flynn in the English release . He shares his English voice actor with Reno from the " Compilation of Final Fantasy VII " , along with Axel / Lea from the " Kingdom Hearts " series . Other appearances . " Final Fantasy Record Keeper " . Isarru appears as a boss in " Final Fantasy Record Keeper " . Similar to his boss encounter in " Final Fantasy X " , he will summon Grothia , Pterya , and Spathi into battle to fight for him .