The Mani Wizard is an enemy in Final Fantasy V. It can be found at the Wind Shrine. It is able to use low-level elemental spells, but is otherwise a simple enemy to defeat. It is a good enemy to fight early on in the game as it gives a good amount of gil.
Mani Wizard appears in Pictlogica Final Fantasy as an enemy.
Mani Wizard from Final Fantasy V appears as an enemy in Final Fantasy Record Keeper.
Judging by the gil it yields, "mani" likely refers to "money."