Quote Originally Posted by Sasquatch
Why the twins? You already have a better White Wizard (Rosa) and a better Black Wizard (Rydia) that can also call Summons, and the Twin attack won't be worth using both of them, especially when you have Holy and Flare/Meteo.
Porom is actually pretty much a better White Wizard. Palom learns his spells earlier than Rydia, but he cannot summon. Boast can be rather useful though.