A. Fair enough:
Valefor: Energy Ray + Energy Blast
Ifrit: Hellfire
Ixion: Thor's Hammer
Shiva: Diamond Dust (when isn't it for that matter?)
Bahamut: Mega Flare
Yojimbo: Technically I wouldn't say he had one but if pressed I'd say Zanmato
Anima: Oblivion
The Magus Sisters: Delta Attack

Q. Name all of the Temples in which all the Aeons are obtained.