After reading the final issue of Joker White Knight...I honestly feel that it deserves a continuation.
SPOILERS AHEAD.
In short, Jack Napier IS a strong presences inside the Joker constantly fighting to get. Jason Todd is in fact ALIVE (Joker broke him so hard he essentially ran away hating Batman). Alfred is dead, but Bruce is now closer to Babs and Dick...and in the end, Bruce reveals himself to Jim Gordon as Batman...deciding to share his technology and resources with the GCPD and work openly as Bruce with them....
On the surface this is all good stuff....but I can see a sequel series called 'Blowback', Where we have these characters (Jack, Harley, Bruce, Jim etc) deal with the consequences of their actions and decisions in this series...some of it bad...but some good.
I might write this since it takes inspiration from Batman TAS, with a mix of other timelines. The major difference being that this Joker never killed anyone (since the GCPD has no evidence of him committing that kind of crime).