He does express some amount of pride in his ability to 'continue evolving' and his position as an Espada, despite his Gillian status. Somewhat cruel and sadistic, Aaroniero enjoys toying with his opponents, particularly those he has information on from his absorbed memories. Interestingly, his two heads appear to have a degree of individuality, since they refer to themselves in plural when exposed, and each reacted differently to the idea of death.