Religion: not determined yet
Name: Deadpan
Classification:
supporting character
based on a real person
Publisher(s): 
First Appearance: Detective Comics (vol. 1) #341 (July 1965): "The Joker's Comedy Capers"
Creators: John Broome, Carmine Infantino, Joe Giella
Number of Appearances: 1
Gender: male
Note: Joker disguised himself as comedian based on Buster Keaton
Detective Comics (vol. 1) #341 (July 1965): "The Joker's Comedy Capers" (someone disguised or dressed as)
Suggested links for further research about this character:
- http://en.wikipedia.org/wiki/Buster_Keaton
- http://www.adherents.com/people/pk/Buster_Keaton.html
- https://www.comics.org/issue/19314/
- http://comicbookdb.com/issue.php?ID=92108