Prof Haley
from Challengers of the Unknown
- Also known as Mark "Prof" Haley,Professor Haley,Walter "Prof" Haley,Walter Reed "Prof" Haley
Founding member of the Challengers of the Unknown. Master skin-diver and oceanographer. Pre-Crisis: Professor Mark Haley. Post-Crisis: Professor Walter Reed Haley.
Appearances
- Showcase #6 — 1957-01-00
- Showcase #7 — 1957-03-00
- Showcase #11 — 1957-11-00
- Showcase #12 — 1958-01-00
- Challengers of the Unknown #1 — 1958-04-00
- Tales of the Unexpected #24 — 1958-04-00
- Challengers of the Unknown #2 — 1958-06-00
- Challengers of the Unknown #3 — 1958-08-00
- Challengers of the Unknown #4 — 1958-10-00
- Challengers of the Unknown #5 — 1958-12-00
- Challengers of the Unknown #6 — 1959-02-00
- Tales of the Unexpected #36 — 1959-04-00
- Challengers of the Unknown #9 — 1959-08-00
- Challengers of the Unknown #12 — 1960-02-00
- Challengers of the Unknown #16 — 1960-10-00
- Challengers of the Unknown #17 — 1960-12-00
- Challengers of the Unknown #18 — 1961-02-00
- Challengers of the Unknown #19 — 1961-04-00
- Secret Origins #1 — 1961-07-00
- Action Comics #279 — 1961-08-00
- The Brave and the Bold #37 — 1961-08-00
- The Flash #123 — 1961-09-00
- Superman #148 — 1961-10-00
- Challengers of the Unknown #28 — 1962-10-00
- Challengers of the Unknown #29 — 1962-12-00
- Challengers of the Unknown #30 — 1963-02-00
- Challengers of the Unknown #37 — 1964-04-00
- Challengers of the Unknown #38 — 1964-06-00
- Challengers of the Unknown #40 — 1964-10-00
- Superman Presents World's Finest Comic Monthly #2 — 1965-00-00
- Challengers of the Unknown #43 — 1965-04-00
- Challengers of the Unknown #45 — 1965-08-00
- Challengers of the Unknown #46 — 1965-10-00
- Challengers of the Unknown #53 — 1966-12-00
- Blackhawk #229 — 1967-02-00
- Challengers of the Unknown #55 — 1967-04-00
- Challengers of the Unknown #56 — 1967-06-00
- Challengers of the Unknown #57 — 1967-08-00
- Challengers of the Unknown #59 — 1967-12-00
- G.I. Combat #144 — 1970-10-00
- Super-Team Family #9 — 1977-02-00
- Super-Team Family #10 — 1977-04-00
- Challengers of the Unknown #81 — 1977-06-00
- Challengers of the Unknown #82 — 1977-08-00
- Challengers of the Unknown #83 — 1977-10-00
- Challengers of the Unknown #84 — 1977-12-00
- All New Collectors' Edition #C-56 — 1978-03-00
- Adventure Comics #493 — 1982-11-00
- Who's Who: The Definitive Directory of the DC Universe #4 — 1985-06-00
- DC Comics Presents #84 — 1985-08-00
- Crisis on Infinite Earths #8 — 1985-11-00
- Who's Who: The Definitive Directory of the DC Universe #16 — 1986-06-00
- Jack Kirby's Heroes and Villains: Black Magic Edition #[nn] — 1994-00-00
- Challengers of the Unknown #7 — 1997-08-00
- Challengers of the Unknown #8 — 1997-09-00
- Challengers of the Unknown #9 — 1997-10-00
- Challengers of the Unknown #11 — 1997-12-00
- Challengers of the Unknown #16 — 1998-05-00
- Great American Comic Books #[nn] — 2001-00-00
- Bizarro Comics #[nn] — 2001-08-00
- Bizarro Comics #[nn] — 2003-05-00
- Solo #5 — 2005-08-00
- The Brave and the Bold #6 — 2007-10-00
- The Brave and the Bold #7 — 2007-12-00
- The Brave and the Bold #10 — 2008-04-00
- The Brave and the Bold #11 — 2008-05-00
- The Brave and the Bold #12 — 2008-06-00
- DCU: Legacies #3 — 2010-09-00
- DCU: Legacies #3 — 2010-09-00
- DC Universe: Legacies #[nn] — 2011-10-00
- Justice Society of America: Monument Point #[nn] — 2012-04-00
- DC Universe: Legacies #[nn] — 2012-07-00
- Solo: The Deluxe Edition #[nn] — 2013-08-00
- Crisis on Infinite Earths Deluxe Edition #[nn] — 2015-12-00
- The Flash #123 — 2020-04-00
- Bizarro Comics: The Deluxe Edition #[nn] — 2021-09-00
- New History of the DC Universe #4 — 2025-12-00