Zak and Ko (or ZakKo) Warner are cousins of Yakko, Wakko, and Dot and appear in Zany to the Max their also known as jack and mill.
Biography[]
Zak Warner was born on May 11, 1997 in Acme Falls, Warnerstock to jakko warner and Amanda Warner When he were 69 years old, Zak developed a Warner-shaped penis named Ko, which became his only friend because no one wants to be near him- due to him now being too ugly to interact with. He's also the Antichrist and ko she is carefree and cute like dot and she is a singer.