Quote Originally Posted by The Man
Ghastla didn't poison Doma, resulting in the deaths of Cayenne's family. Ghastla didn't explicitly say that the deaths of hundreds of people at once gave him pleasure. Ghastla didn't kill off General Leo. Ghastla didn't mass-murder the espers at Thamasa. Ghastla didn't destroy towns at a whim with the Light of Judgement. Ghastla may have been the one who built up the empire, but he certainly wasn't the one responsible for the most villainous actions in the game.
I think that what Tonberry_King is saying, is that Ghestal was the one ordering Kefka to do many of the things he did.

Quote Originally Posted by ljkkjlcm9 View Post
And unlike majority of FF games where the villian you think is in charge is being controlled, which essentially Sephiroth is by Jenova...
No.
Play the game again, and read the official materials released by Square.