Gustave XII is a non-playable character in SaGa Frontier 2. He is the King of Finney and the father of Gustave XIII. Due to him banishing Gustave when he fails the Firebrand Ceremony, when the King dies in 1245 there is no apparent heir to the throne of Finney. This creates a power struggle for the throne until Gustave returns to Finney to righfully claim the throne at the Battle of Buckethill.