Penciler credit verified by Dick Sprang. Inker credit verified by Charles Paris.
Script credit from Martin O'Hearn. Schwartz penciler credit removed by Craig Delich, as verified by Schwartz.
Inker credit verified by Charles Paris.
Script credit from Martin O'Hearn. Penciler credits verified by Schwartz. Inker credit verified by Charles Paris. Letterer credit per Todd Klein's blog: https://kleinletters.com/Blog/ira-schnapp-in-batman-part-3/
One of Penguin's mythical birds is a "Man-Bat", which is half-man half-bat.
Colorist credit by Craig Delich.
Art credits verified by Jim Mooney.