Detective Comics (vol. 1) #40 (June 1940):
“Beware of Clayface”
by Bill Finger, Bob Kane, Jerry Robinson

Detective Comics (vol. 1) #40

Title: “Beware of Clayface”

Medium: comic

Cover date: June 1940

Publisher: DC
Written by: Bill Finger
Art by: Bob Kane, Jerry Robinson

11 characters in this story:

(Click links for info about character
and his/her religious practice, affiliation, etc.)
Pub. #
Batman Batman (Bruce Wayne) hero
CBR Scale: ICBR Scale: S Episcopalian / Catholic (lapsed); atheist
Batman family; Quinntets...  DC 11,112
Nightwing Robin (Dick Grayson) hero
CBR Scale: I Christian (denomination unknown); raised Gypsy/Roma
Batman family; Super Friends...  DC 4,498
Clayface Clayface (Basil Karlo) villain based on a real person
  Injustice League; Secret Society of Super Villains
[based loosely on Boris Karloff]
DC 60
Julie Madison supporting character
  [Bruce Wayne's first major girlfriend, fiance] DC 15
Mr. Bentley supporting character
 indeterminate  [CEO; film producer] DC 1
Kenneth Todd supporting character
 indeterminate  [star of "Dreadcastle" remake that led to Clayface's origin] DC 1
Roxy Brenner villain
  [gangster] DC 1
Argus Motion Pictures supporting character group
  [1st app: Detective Comics (vol. 1) #40 (June 1940)] DC 1
Lorna Dane Lorna Dane
(6-panel cameo)
supporting character
 indeterminate  [first murder victim of Clayface] DC 1
Fred Walker
(5-panel cameo)
supporting character
 indeterminate  [wrongly suspected of being Clayface] DC 1
Ned Norton
(3-panel cameo)
supporting character
 indeterminate  [fired from directing "Dreadcastle"] DC 1