Rana Zolinder

Rana Zolinder (アカガエルで Akagaeru de Zolinder) is a Privaron Espada Cuatro, formerly a original Espada dating back to Pre-Aizen days as well as the 1st Gen of his Espada before crafting his own artificially enhanced or created Arrancar to take their place, eventually Rana tried to forcefully compel Aizen to leave only to be defeated by a recently dubbed 'Cuatro Espada' Ulquiorra Schiffar, defeating her to a point of near death the latter satisfied that he reduced her to a humiliated individual. She now vows to destroy anything remaining that associates with the term 'Espada' so that betrayal and dictatorship will never happen again.