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› Characters › Mark "Prof" Haley
Mark "Prof" Haley
6 appearances in the database · 2 series
Challengers of the Unknown
#53
★ First appearance
Challengers of the Unknown #53
Dec 1966
Appearances
Challengers of the Unknown
(1958)
#53
#55
#56
#57
#83
DC Comics Presents
(1978)
#84