Story: "The Mad Hatter Flips His Lids!" (22 Pages)

Credits:

Mike W.Barr (plot, script)
Alan Davis (pencils)
Paul Neary (inks)
Richard Starkins (letters)
Adrienne Roy (colors)
Dennis O'Neil (edits)

Feature Character:

Batman (last in Outsiders Vol. 1 #18)

Supporting Characters:

Robin II (last in New Teen Titans Vol. 2 #31)
Alfred Pennyworth (last in issue #571; next in Batman #410)
James Gordon (last in Legends #2; next in Batman #410)

Villain:

Mad Hatter (last in Batman #400)

Other Characters:

Warden Fisher (the warden at Gotham State Prison)
Mrs. Harrison (his secretary; behind the scenes)
Clarisse (the society editor of the Gotham Gazette; behind the scenes)
Miss Lincoln (a reporter)