Spartan is Yohn Kohl, a Kherubim super-hero and member of the WildC.A.T.s. Having died during a battle with the Daemonites, his personality was transfered into a Spartan Guard robot. This android body gave him several new powers including the ability to repair himself. He has also been a member of StormWatch and Team One.
John Diggle also operated under the alias Spartan as a vigilante and member of Team Arrow in the Arrowverse.
Spartan was created by Brandon Choi and Jim Lee, first appearing in WildC.A.T.s #1 (1992).
