Blue Mage is a job class from the Final Fantasy series, although there ever been one officially named blue mage. Blue mages are unique in their ability to use Blue Magic, or monster skills that they have learned from the enemy. Ways of obtaining Blue Magic vary from game to game. Blue Magic can also be called Lore magic, and is immune from the Reflect spell.
Blue Magic is learned by Strago Magus, where it is referred to as Lore. To obtain new spells, Strago must be present in the party when Gau's Rage attack can also uses a wide range of enemy skills, but they can only be obtained on the Veldt.
For a complete list, see Lore (FFVI)
Quistis Trepe is the blue mage of Final Fantasy VIII. She learns new magic from special items dropped by enemies.
For a complete list, see Blue Magic (FFVII)
Quina's Eat skill allows her to swallow enemies to obtain new magics, much like Gau's Leap ability.
For a complete list, see Blue Magic (FFIX)
The Ronso Tribe, and more specifically, Kimahri Ronso, are able to use the Lancet ability to obtain fiend skills. Unlike traditional blue magic, Ronso Rage can only be used as an Overdrive, and not with MP.
For a complete list, see Ronso Rage
Main Article: Gun Mage
The Gun Mage dressphere allows the player to learn new magic after the skill as been used on a character if they are wearing the dressphere.
For a complete list, see Blue Bullet