Hell's Three

Hell's Three(地獄の三,Naraku no Sen)Is the former three man group of patros and followers.That defected from aizen and where killed.But later where resurrected by Koushaku.The members being Patros,Menis and Aldegor.They are very feard after they where resurrected by Koushaku.They now are helping and gather moeny to fund Takimura's and Tohaku's research.