I was talking to my friend in school (instead of learning) about how I thought there weren't enough Aeons in this game. Personally, I think the ones they had were incredible, they looked great and performed well. (Bahamut = too colourful though)

Anyways, what happened to water summons, earth summons and fun summons like Cactaur?

Leviathan would of looked amazing in FFX, however (I just thought of it while typing) I dont think Levianthan would work well because, hes a water creature and it would look silly to have water come in when you summon him... What about the earth summons though?
I just thought there was a bit of a lack of variety besides the basic ones....
My two cents + first thread on Eyes On Final Fantasy