Quote Originally Posted by Kirbyrox
Lastly did u kno that relms magic power stronger then celes and terra
Well, it can be.

Any character that can equip Espers can have the highest magic power of all, if you equip the right espers while leveling up.

In answer to the question:

Edgar
Sabin
Shadow (not cuz he's strong, but cuz he's cool)
Gogo