Fusoya Fusoya , also known as FuSoYa or Fusuya , is the final playable character in " Final Fantasy IV " who also appears in " " . He is a Lunarian from the Red Moon , and it is his job to watch over the Lunarians ' sleep . He is the oldest of the main characters and reveals significant plot details during the short time he is with the party . In the English localization of the 3D remake version , Fusoya is ( " foo - SOY - uh " ) . In the iOS version his name is retransliterated as Fusuya . Profile . Appearance . Fusoya is an old man wearing blue and purple robes of varying shades . His true age is unknown , but as he reached Earth when humanity was still evolving he may be one of the oldest characters in the entire " Final Fantasy " series . He has long silver hair and a long beard with bushy eyebrows , and has light blue eyes . Personality . Fusoya is wise and well - spoken , possessing knowledge of magic and the universe far beyond what he reveals , and like the other Lunarians he awaits the day when humans evolve to the point their two races can co - exist in peace . Upon slaying Zemus , he expresses pity at the great powers Zemus wielded being used for evil ends . Story . " Final Fantasy IV " . Fusoya was tasked to watch over the Lunar Sleep , but a Lunarian named Zemus desired to annihilate life on Earth so that the Lunarians could take it over . Fusoya awaits on the moon for the one who would help defeat Zemus to arrive . This person happens to be his nephew Cecil Harvey , accompanied by Rydia , Rosa Joanna Farrell , and Edge . Fusoya tells them of Zemus ' s plan . Zemus was gathering the Crystals to activate the Giant of Babil , a wish granting giant who would destroy the world on command . He tells the party Zemus was manipulating Golbez to achieve this goal . He joins the party to stop the giant , as he can deactivate its shielding . The party returns to Earth as the giant begins its wave of destruction . Cid Pollendina mobilizes the world to join the battle in a fleet of newly remodeled airships . Cid helps the party enter the Giant of Babil and the party work their way to the CPU and fight the Archfiends on the way . When they reach the CPU and destroy it , an angry Golbez appears . Fusoya breaks Zemus ' s control of Golbez , and reveals Golbez and Cecil are brothers . Golbez agrees to help Fusoya defeat Zemus , and the two return to the moon using the teleporter in the Tower of Babil . Fusoya and Golbez battle Zemus in the moon and defeat him by casting Meteor together . Zemus ' s hatred , Zeromus , rises from Zemus ' s corpse and attacks Fusoya and Golbez . They try to cast Meteor again , but it has no effect . Fusoya orders Golbez to use a special Crystal to defeat him , but Golbez ' s darkness makes the Crystal ineffective . Zeromus casts Meteor on Fusoya and Golbez , defeating them . This leaves Cecil and his party to fight Zeromus , and the prayers of former party members , including Fusoya and Golbez , help them succeed . After Zeromus ' s defeat Fusoya and Golbez return to the Lunar Sleep as the Red Moon leaves the Earth ' s orbit . " " . Fusoya battles a revived Zeromus with Golbez before the monster destroys the Crystal Palace with a Big Bang . Fusoya teleports Golbez out so he can continue to fight against the evil attacking the world . His fate remains unknown . After Creator has been felled and peace returned to the world , Golbez sets out look for Fusoya and the other Lunarians . Gameplay . " Final Fantasy IV " . Fusoya is a temporarily playable party member . His stats are weighted towards magic and will not rise up when a level is gained until reaching 70 . He has access to all White Magic and Black Magic , but has a limited MP of 190 , meaning the number of spells he can cast is severely limited . In the 2D releases , Fusoya has the ability to cast Regen on all party members which prevents him from acting while he restores HP to other party members . In the 3D releases , this is replaced with Bless , which applies a Regen - like effect that restores MP over time and does not prevent him from acting . Fusoya ' s role is similar to Tellah , as he is severely limited in MP and stats , but is only briefly available . " Final Fantasy IV : The After Years " . Fusoya returns as a temporarily playable party member . His level is capped at 40 , and other than HP , his stats do not increase by level . He knows all Black Magic and White Magic , and his Bless ability causes him to skip three turns to restore both HP and MP over time each turn instead . His max MP is 190 , but can be increased with items . Fusoya only has a single Band with Golbez , but is only ever in a party with Golbez . Musical themes . Fusoya ' s theme is " The Lunarians " . Other appearances . Fusoya appears in the following games in the " Final Fantasy " series : Etymology . " Fu " and " su " are Chinese words that respectively mean " good fortune " ( 福 ) and " longevity " ( 寿 ) . " Ya " ( 阿 ) in Chinese is an affix which is used to mark some people ' s names . Kluya also has this affix .