duo recurring characters animated television series simpsons voiced aliens fictional planet vii appear exclusively horror episodes duo appeared segment episodes appearance focus plot times brief cameo bent conquest earth usually seen working sinister plans invade humanity duo appeared season horror drawing came writers finished design based issue cover brief cameo appearances episodes appeared villains simpsons video games role simpsons speaking coincidentally sounds exactly like english planet vii virtually identical appearance wearing breathing helmets distinguishing characteristics duo voices deeper appearances antagonistic humanity exception appearance capture simpson family feed exquisite cuisine lisa suspicious intentions accuses wanting eat simpson family deny accusation outraged simpsons earth invaded earth occasions varying results bill_clinton ran election americans declared vote party candidate convinced option waste vote result elected president second appearance decided earth citizens declared world peace ultimately failed religion later claims jewish appeared include voiced appeared appeared episode date played major roles vii horror rest appearances cameos appeared opening segment horror cameo appearances normally occur midst segments suddenly cut away duo example observe zombies attacking earth space duo laugh suffering scene switched space earth rare appearances episodes laughter non speaking cameo springfield files line aliens duo seen crowd updated opener episode man came dinner canon appearances simpsons end vii tour brief look placing zoo homer eaten yearly ritual revealed human consumption fatal kind diet queen killed result send simpsons earth episode claims father result experiment breed different species episode non canon hints hidden simpsons characters creation appeared second season idea came writers hungry damned script shown octopus space helmet trail finished design based cover issue originally designed constantly suggested time animation process easier animators mind work leading staying script names derived star trek characters captain portrayed actor day dove human villain conscience king voices voices unofficial rule writers appear halloween episode despite rule writers duo forgotten added second leading brief appearances development traditionally appeared single episode story plotline cameos cut managed persuade producers scene didn appear originally going regular appearances idea homer able thinking homer crazy talked aliens concept far leading characters featured horror specials appearances laugh seconds suggested production episodes short time laughter lengthened gender come debate fans horror vii introduces sister line pitched somewhat followed later episodes writers tried dominant previous subsequent episodes referred male simpsons tapped video game sent mission female characters allowed complete crossover episode referred visit recurring characters dinner 31st century identify female appearances appeared different simpsons video games duo appear simpsons road rage ending appears final boss character simpsons wrestling game appear cut scenes main villains simpsons hit run attempt collect new material failing reality plan drug springfield mind control distributed new improved buzz product drinking people performed stupid stunts view wasp like surveillance cameras sake better ratings appeared villains simpsons game army like appear cutscenes simpsons tapped premium character halloween followed halloween separate action figures world springfield toy line spaceship included set exclusive toys brief cameo simpsons ride separate ride called added vicinity simpsons ride universal_studios florida park vinyl art toys simpsons sculpted included book cook humans chase figure release included space gun released simpsons release characters series september reception horror episodes featuring duo received voice named seventh ign simpsons guest appearances list jones appeared aol list favorite simpsons guest stars vii simpsons creator seventh favorite episode favorite line episode reached limits teach published list segments segments feature placed including hungry damned starship
Kang and Kodos