Disambiguation: Fawcett / Charlton / DC
First published in: 1942
Hopalong Cassidy is a fictional western hero created in 1904 by Clarence E. Mulford. He first appeared in a comic book in Master Comics (Fawcett, 1940 series) #33 (December 2, 1942). His only appearance at Charlton was in Six-Gun Heroes (Charlton, 1954 series) #24 (January 1954). He first appeared at DC in Hopalong Cassidy (DC, 1954 series) #86 (February 1954).
Link: https://en.wikipedia.org/wiki/Hopalong_Cassidy#Comic_books/comics_strips