Anyone notice the similarities between the Espada and Gotei 13 captains/Shinigami?
Yammy - ? Possibly Konomaru because of large size.
Aaroniero Arleri - Technically, he is Kaien, who wasn't a captain. But Aaroniero technically wasn't an espada.
Szayel Aporro Grantz - Mayuri Kurotsuchi. They're both crazy scientists.
Grimmjow - Obviously Zaraki Kenpachi
Noitora - Slanted eyes and smile reminds me a bit of Ichimaru, and personality like Zaraki
Ulquiorra - Byakuya. They're both calm, and intelligent
Halibel - Soi Fon. Both female, silent, have a similar facial expression.
Un-named Black espada - Tousen. They're both silent, and well, black.
Un-named Old espada - possibly Yamamoto.
Stark - Shunsui Kyōraku. Both lazy