The Clock King's real identity is Temple Fugate, whose name is an allusion to the Latin expression "tempus fugit" (time flies).
The Clock King's address is given as "362 Breyfogle". Norm Breyfogle was an artist that worked on Batman comic books for almost a decade.
The Clock King (efficiency experts who make uncanny use of timing) comes from DC Comics, though his character is much different from the animated version. The original Clock King was named William Tockman and his crimes were motivated by the need to provide for his sister when he mistakenly believed he was dying of illness, this Clock King first appeared as a Rogue of Green Arrow, but is probably best known for his membership in The Suicide Squad and thus a rogue of Batman and sometimes the Justice League.
The Clock Kings strategy of studying Batman before engaging him directly would later be repeated in the episode Bane.
Clock King's glasses are in the design of clocks.