History of character has not yet been written.
Similar to that of his cousin, Mr. Mxyzptlk, though older and more powerful.
- This version of Nzykmulk, 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.
- 1 Appearances of Nzykmulk (Earth-One)
- 5 Images featuring Nzykmulk (Earth-One)
- 1 Quotations by or about Nzykmulk (Earth-One)
- Character Gallery: Nzykmulk (Earth-One)
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