User blog comment:Kaido King of the Beasts/Chapter 832: Don't Judge this Rabbit/@comment-26803131-20160713175418/@comment-7606564-20160714230647

Probably part of Big Mom's DF. She's out there taking life from people. There's tons of weird things coming to life and talking. I'm sure they have to be related. I'd imagine the rabbit is just another normal rabbit that she gave like 50 years to with her fruit power.