History of character has not yet been written.
- This version of Black Star, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- 3 Appearances of William Mowse (Earth-Two)
- 1 Images featuring William Mowse (Earth-Two)
- Quotations by or about William Mowse (Earth-Two)
- Character Gallery: William Mowse (Earth-Two)
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