What is Rydia?
1.
From
Later on, she gets swallowed by
From then on she returns to your party and becomes one of the most kickass characters in Final Fantasy history, along with being a combination black mage/summoner and having really nice-looking
Rydia is a strong character who is able to overcome her fears and doesn't let anyone push her around. You just don't have cool characters like the ones in Final Fantasy IV anymore, sadly.
See
2.
It's an idea that Ryan Shelton has.
Ryan+idea=rydia
I've just had Rydia.
See