There's plenty to imagine. But I'll pick one already in use. I'm not sure if this is for advanced or tactics?

Witch: Female
Ability: Craft
Can equip what an oracle and a wizard could. Requirement: Level 8 Oracle and Wizard
Move: 3
Jump: 4
Normal on stats with buffs on magic attacks and defenses.
Weapons would add the condemn effect and/or turn into frog at best. Whatever basic items Wizards and Oracles could use at worst.

An attack preview: Nervebender : SP 50 : Range 5 Character: Moderate damage and add on't attack.
Another power: Stunner : SP 17 : Range 5 Panel Effect 1: Minor damage and add on't act.
Another: Witchflame: SP 20 : Range 5 Effect 2: Good damage and cancel regen, reraise on targets.

Reaction: Counter Effect: When attacked by magic ailments counter with same. 300 JP

Defense: MagicEvadeUP 200 JP

Move: Fly 400 JP, Float 300 JP, Badwalk 200 JP - Walk on fire, lava, marsh, and poison marsh.