Well, if rest = easy, then:

Quina = Del Murder = Eiko = Kuja = Kefka = Zidane = Frodo = Rinoa = Aeris = General Leo = Tifa = Lucrecia = Zack = Vincent = Princess Garnet = Squall = Cloud = Jenova = Ifalna = Hojo = Sephiroth = Professor Gast = Tifa's Dad = Princess Leia = Tellah = FuSoYa = a pudding = Selphie = the Great Hyne = Dr. Odine = Necron = God = Bert = the Planet = Zeromus = Edea = Ellone = Everything alive = The Universe = Ultimecia = Easy = Rest = Big Ben = The Former Yugoslavian Republic of Macedonia = Bagpipe = Agatha Christie = Cucumber = Salami = Tony Blair = Radioactive Waste = Green = Slime = Roseanne Barr.

Oh dear god. Ultimecia is Roseanne Barr.