His Shikai is Ryujin Jakka. His sword turns into a giant wave of fire. Everything Ryujin Jakka touches, is lit aflame and doesn't go out until Head Captain Yamamoto puts his sword away. Aizen is the only one who ever escaped these flames. His Bankai hasn't been revealed yet. He probably won't ever use it because his Shikai is just as powerful as a normal Bankai. If that's the case, the only person I can think of that he'd ever use it on is Aizen.
His zanpakutou is Gegetsuburi.
His zanpakutou is Shinzou.
His zanpakutou is Katen Kyōkotsu.
His zanpakutou is Kyoka Suigetsu.
Her zanpakutou hasn't been revealed yet.
It is Zangetsu
His shikai is Wabiuke.
His zanpakuto is Sōgyo no Kotowari.
His shikai is Zabimaru. His bankai is Hihiou Zabimaru.
His shikai is Houzukimaru. His bankai is Ryumon Houzukimaru.
It is Kōga Kuchiki
His shikai is Ruri'iro Kujaku but he calls it Fuji Kujaku.