Congo Bill was a safari hunter in Africa who gained the ability to transfer his mind into the Golden Gorilla through a magical talisman. Many years later he lost the ability to switch and his mind was forever trapped inside the gorilla.
- Transformation: For a period of time, Congo Bill possessed the ability to transform back and forth into Congorilla. Merged with Congorilla, Congo Bill benefited from additional strength and stamina.
- Aviation: Bill flew biplanes in the WWI and scouting planes during WWII.
- Hunting: Bill is a safari hunter, hunting wildlife for food as well as trophies.
- Stealth: Bill can creep forward with cat-like tread, sneaking up on villains without them ever knowing.
- Survival: Bill routinely adventures into the African wilderness and its deepest jungles with only a pack on his back.
- Tracking: Bill tracks missing persons as well as criminals through the dense jungles and always manages to find them.
- Although this character was originally introduced during DC's Earth-One era of publication, their existence following the events of the 1985–86 limited series Crisis on Infinite Earths remains intact. However, some elements of the character's Pre-Crisis history may have been altered or removed for Post-Crisis New Earth continuity, and should be considered apocryphal.
- Congo Bill was adapted as movie serial in 1948.
- Congo Bill was there with a young Oliver Queen when his parents Moira and Robert Queen were killed by lions on safari.
- For several years, Congo Bill had a young friend named Janu who acted as his sidekick.
- 255 Appearances of William Glenmorgan (New Earth)
- 8 Images featuring William Glenmorgan (New Earth)
- 4 Quotations by or about William Glenmorgan (New Earth)
- Character Gallery: William Glenmorgan (New Earth)