Kang as seen in The Simpsons Bowling
Kang's first appearance in the show (Treehouse of Horror).
Kang with his sister Kodos and Serak the Preparer
Kang as a pacifier with Kodos as a pacifier
Kang (possibly) on the Wall of Acquaintances who Came to Stay for a While
Kang with Kodos in the couch gag for "The Ziff Who Came to Dinner", "Simple Simpson", "Bart-Mangled Banner", "On A Clear Day I Can't See My Sister", and "Eternal Moonshine of the Simpson Mind".
Kang, Kodos, and their other relatives in the couch gag for "See Homer Run".
Kang and Kodos in their ship in the title screen gag for "Chief of Hearts" and "Yellow Subterfuge".
Pirate Kang in the title screen gag for "Blazed and Confused".
Kang (possibly) in the title screen gag for "Holidays of Future Passed" and "Barthood".