Answer: opper

AnswerCrossword Clue
OPPER

Happy Hooligan's creator (1857-1937).

OPPER

Creator of Happy Hooligan.

OPPER

Cartoonist of Alphonse and Gaston.

OPPER
Happy Hooligan cartoonist.
OPPER"Happy Hooligan" cartoonist.
OPPER
U. S. cartoonist
OPPERCartoonist Frederick
OPPER"Happy Hooligan" cartoonist
OPPERHappy Hooligan's creator