First appearance: [B][U]Detective Comics #58[/U][/B][SIZE=1]
(cover-dated December 1941 / on-sale date of October 21st, 1941 per the GCD)[/SIZE]:
[img]https://i67.servimg.com/u/f67/18/91/37/14/pengui10.jpg[/img]
[img]https://i67.servimg.com/u/f67/18/91/37/14/_0001b10.jpg[/img][SIZE=1][FONT=Century Gothic]to be continued . . . [/FONT][/SIZE]