Oz, Jack, B-Rabbit & Alice: Theories & Speculations

Oz is the B-Rabbit Theory.
It's either this or that:
1. The wall screams B-Rabbit at Oz.
2. It's just a graffiti.

Pandora Hearts 65 -Collapse (Literally)

 When it rained spoilers, theories, raws and translations...
 I was like this...
Then my mind broke. 
I screamed/cried/despaired/stoned/zombified/died and my vine popped.