Board Thread:Questions and Answers/@comment-28096636-20170813022819/@comment-18172179-20171018170022

That is the misleading answer. Although Joker is walking a hyena on the cover, he makes it clear in the story he is not interested in "that goony animal".

Shad, you got the next question... unless you want to take a shot at the real Joker's pet hyena for bonus points.