Friedrich Nietzsche's concept of the übermensch, translated "overman" (as opposed to, e.g., "superman") by scholars including Walter Kaufmann
In Final Crisis Secret Files #1, it was revealed that on the Nazi-dominated Earth-10, a member of Overman's Justice League is Leatherwing, an alternate version of Batman.
Howard Overman is a television writer who has written scripts for serial dramas such as Hotel Babylon, New Tricks, Hustle, Harley Street and Merlin.
On October 28, 1964, he married Betty Kay Overman, with whom he had a son, actor Will Ferrell.