Yamata Bagu

The 6 Tailed Cat was also part of the Tailed Beast

Meeting Nu
6 Tailed Cat was Sealed within Nutakata's Body at 190 B.C.

Legend of Yuki
Nutakata uses the Full Perfect Form Jutsu, He was set free to rampage the Village in the Marineford Fields. 6 Tails or Byuugi was able to Kill the Fleet Admiral Sakazuki with it's Ice Beast Ball Blast.

Ice Beast Ball Blast
This Attack was used when the Marines' most Powerful Armies are 2,000,000 and blows them away.