After losing his wife and one of his sons to gang violence, Mr. Davis donned a costume and haunted gang members in Suicide Slum. Black Lightning tried to stop him, but to no avail. It wasn't until Davis' son Jon recognized him and persuaded him to let go of his vengeance that he turned himself in.

  • This version of Slime Killer (Earth-One), 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.



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