Ah ok, google helped confirm that. I'm assuming the second to last one is a personification of the FF12's. I was thinking that the first one just might be a general representation from the earlier games, but it looks like the one from FF3DS.
Bahamut ReishikiBahamut ZERO, FINAL FANTASY VIIBahamut ShinBahamut SIN, FFVII ADVENT CHILDRENBahamutFINAL FANTASY VIIIBahamutFINAL FANTASY IXBahamutFINAL FANTASY XIBahamutFINAL FANTASY XIIIBahamutFINAL FANTASY III DSBahamutCRISIS CORE -FFVII-BahamutFINAL FANTASY X/X-2BahamutFINAL FANTASY VIIBahamut KaiNeo Bahamut, FINAL FANTASY VIIBahamut RetsuBahamut Fury, CRISIS CORE -FFVII-BahamutFFXII: REVENANT WINGS