Comic Title: Superman Family #168
Publisher: DC (National Periodical Publications, Inc.)
Address: 75 Rockefeller Plaza, New York, NY
Cover Date: Dec/Jan 1974
On Sale Date: September 24, 1974 Newsstand Date September 24, 1974
Source: Comic Reader, #110

Copyright Date September 24, 1974
Source: Library of Congress, Periodicals 1974

Frequency: Bi-monthly
Cover Price: $0.60
Page Count: 96
Editor: Julius Schwartz

See Also: The Guide to DC Giants

Title: "The Infernal Imp"
Pages: 8

Feature(s):
Superman (of Earth-1)

Writer: Jerry Siegel
Penciller: Curt Swan
Inker: George Klein

Reprinted From:
Superman #169 (1964)

Feature Character(s)

• Superman (last appearance in World's Finest Comics #141; next appearance in Superman #169)

Supporting Character(s)

• Jimmy Olsen (last appearance in World's Finest Comics #141; next appearance in Superman #169)

Villain(s)

• Mr. Mxyzptlk (last appearance in Superman's Girl Friend, Lois Lane #48; next appearance in Superman #171)

Other Character(s)

• The mayor of the 5th dimension and a doctor (no further appearances)
• A hat shop salesman (no further appearances)

Cameo Appearance(s)

• Cary Grant (on a billboard)

Synopsis:
Mr. Mxyzptlk gets a case of lockjaw after pulling a prank on the mayor of the 5th dimension. The imp is unable to talk, so he returns to Earth to play pranks on Superman. The Man of Steel is unable to trick Mxyzptlk into saying his name backwards, since the imp can't talk. He eventually using a device which uses telepathy to translate thoughts into words. When Mxyzptlk thinks his name backwards, the device verbalizes the words, causing Mxyzpltk to return to his own dimension.