Template:Aliens

Aliens
Rigellians
Bagpipe Rigellian • Kang Johnson • Kodos Johnson • Kamala • Kang and Kodos' father • Kang and Kodos' mother • Klaunax • Klondar • Rigellian announcer • Rigellian couple • Rigellian humanologist • Rigellian Lisa • Rigellian mother • Rigellian queen (The Man Who Came to Be Dinner) • Rigellian queen (Treehouse of Horror XXII) • Rigellian resistance • Serak the Preparer • Larry H. Zeeblezorp
Other aliens
ALF • Bartron • Black hole aliens • The Blob • Brain Spawn • Burns' alien • Chewbacca • The Doctor • E.T. • Gort • The Great Gazoo • Groot • Horrible Gelatinous Blob • Kif Kroker • Marvin the Martian • Moonhilda • Morbo • Nibbler • Number 51 • Ozmodiar • Phloem • Rocket Raccoon • Roger Smith • Space broccoli • Space Mutants • Herb Tannenbaum • Trey • Allen Wrench • Xylem • Yoda • Zoidberg • Zombies (Zombie child • Zombie father)