KO (Cartoon Network)
KO is the disgraced unwanted child of infamous toxin, KO and the main protagonist of the Cartoon Network animated serious OK KO: Lets Be Heroes. Despite being a popular upcoming cartoon character, his TV show was cancelled and every character who appeared in the series was executed by firing squad, excluding him and Jethro. Although the cover story is that his show was cancelled to make way for more timeslots for the more profitable and successful Teen Titans Go!, it later resurfaced that he was the crime-fighting partner of the vigilante Blue Morpho. Since the death of his partner, KO has not been seen in public.
