History of character has not yet been written.
- This version of Jailer, 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 Gilbert Gaol (Earth-One)
- 1 Images featuring Gilbert Gaol (Earth-One)
- Quotations by or about Gilbert Gaol (Earth-One)
- Character Gallery: Gilbert Gaol (Earth-One)
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