No, they are from different games and have nothing to do with each other.
No, Sephiroth's parents are Professor Hojo and Lucrecia Crescent.
Considering most of the FF's are set in alternate universes, probably not...
No, Jenova is an alien from outerspace. Kefka and Ultimecia are both wizard/witch.
Maybe, this can be tested in FF Dissidia but i am certain kefka would win.
Kefka and Ultimecia are two separate villains from two separate games Kefka is the main antagonist of Final Fantasy VI and Ultimecia is the main antagonist in Final Fantasy VIII.
probably sephiroth.
Sephiroth's father is Hojo, a famous scientist who is in Final Fantasy 7 and Final Fantasy 7 Crisis Core, and his mother is Lucrecia Crescent, who worked with him on the Jenova project.
Kefka Palazzo was created in 1994.
No, she is not. You will find out who Ultimecia is near the end of the game
No... Only Chuck Norris can defeat Kefka
No.
No.
NO! definatley not
Kefka.