G.F: Quezacotl
Found: gotten in the classroom of Balamb Garden - check the student's computer.

G.F: Shiva
Found: same as above.

G.F: Ifrit
Found: at the end of the Fire Cave.

G.F: Siren
Found: draw from Elvoret at the communications tower.

G.F: Brothers
Found: defeat Brothers in the Tomb Of The Nameless King.

G.F: Diabolos
Found: fight him and win by using the Cursed Lamp gotten from Cid.

G.F: Carbuncle
Found: draw from the two statues, brought to life by Edea, which attack Rinoa.

G.F: Leviathan
Found: draw from Norg.

G.F: Pandemona
Found: draw from Fuujin in Balamb.

G.F: Cerberus
Found: defeat Cerberus in Galbadia Garden.

G.F: Alexander
Found: draw from Edea.

G.F: Tonberry King
Found: deafeat Tonberry King after defeating Odin by fighting 18-22 Tonberry's (same area as Odin).

G.F: Jumbo Cactaur
Found: defeat Jumbo Cactaur on Cactaur Island.

G.F: Bahamut
Found: ruins in S/W corner of the map.
G.F: Doom Train
Found: get the Solomon Ring (Tear's Point), 6 Malboro Tentacles, 6 Remedy +, and 6 Steel Pipes. Use Solomon Ring; you will not have to battle.

G.F: Eden
Found: draw from Ultima in Bahamut ruins.