"Keef Bartkus is an editor, perhaps best known for his work on South Park. He has also worked on Teen Titans Go!."@en . . "Keef Bartkus"@en . . . "Editor"@en . . . "Male"@en . "Keef Bartkus is an editor, perhaps best known for his work on South Park. He has also worked on Teen Titans Go!."@en . . .