Name: The Mountebank Malefactors
Classification:
villains
group
Publisher(s): 
First Appearance: The Joker #7 (May-June 1976): "Luthor -- You're Driving Me Sane!"
Creators: Elliot S! Maggin, Irv Novick, Frank McLaughlin
Number of Appearances: 1
Location: Gotham City, USA
The Joker #7 (May-June 1976): "Luthor -- You're Driving Me Sane!"
Suggested links for further research about this character:
- https://www.comics.org/issue/29806/
- http://www.comics-db.com/comic-book/1004905-Joker_7.html