First time I saw Joker and his gimmcks, the bey looked weird and cool at the same time. You think you guys can explain more about JJ?
How good is Judgement Joker?
Sure can, in the Judgement Joker thread, not some new redundant thread that doesn't need to exist. 
Plus no one has it yet so we're not certain.

Plus no one has it yet so we're not certain.
As stated above