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Clear out junk files and repair common Windows errorsFree Scan →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →Gizmodo’s June 24, 2009 article “20 Best (And 20 Worst) Pets In Science Fiction” is an informal, humorous opinion list—not an objective ranking or current canon guide. It names 20 best and 20 worst science-fiction pets and companions across books, comics, television, and film, using “pet” broadly for animals, aliens, robots, and other companions.
The list reflects the original writer’s taste and the works available at the time. The entries below preserve that historical scope; newer works and later franchise developments are outside it.
How to read the ranking
The original article offers brief descriptions and personal reactions rather than a consistent scoring system. For a useful comparison, consider each companion’s role, loyalty or helpfulness, personality, importance to the story, and fictional risks or care burden. Those comparison points are an editorial guide, not scores claimed by Gizmodo.
| Question | What it helps compare |
|---|---|
| What role does the character fill? | Pet, partner, tool, mascot, or threat |
| How does the character help or bond with others? | Loyalty, usefulness, and companionship |
| What makes the character memorable? | Personality, humor, and story impact |
| What risks or care burdens appear in the fiction? | Whether the character is manageable or dangerous |
The 20 best pets and companions
These are the 20 entries Gizmodo placed in its “best” group. Their placement is the source’s opinion, not a consensus ranking.
#1 Best Overall
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Spot — Data’s cat in Star Trek: The Next Generation.
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Willis — from Robert A. Heinlein’s Red Planet.
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R2-D2 — from Star Wars.
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Porthos.
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Ampersand.
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Lockjaw.
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Dog — from Half-Life 2.
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Pen Pen.
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K-9 — from Doctor Who.
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Nibbler.
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Gaspode.
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CJ-7.
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Einstein.
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Ein.
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Bubastis.
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Gizmo.
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Seymour.
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Bronx.
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Roach.
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Kevin and Dug.
The 20 worst pets and companions
These are the 20 entries Gizmodo placed in its “worst” group. The category also includes creatures and characters that may be dangerous, unsuitable, or pet-like only in a loose sense.
Rank #2
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Tribbles.
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ALF.
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Snarf.
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Teddy — from A.I..
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Slimer.
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Div-X.
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The animals in Children of Men.
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Salacious Crumb.
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Gleek.
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The dog from Independence Day.
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The Space Buddies.
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Queequeg.
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Krypto.
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Muffit.
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MAD Cat.
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Frank the Pug.
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Gir.
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Astro.
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Lamar.
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Joshua.
What the list says about fictional pets
The list mixes ordinary animals, unusual creatures, and companions whose role may be closer to a partner, mascot, or character than a household pet. That loose category is part of the article’s humor, but it means the rankings should be read as personal reactions rather than a uniform assessment of animal care or safety.
Because the list appeared in 2009, it is also a snapshot of science fiction at that time. It does not account for newer works or later changes in franchise canon. Check the original work before relying on any character description beyond the names and associations identified here.
Rank #3
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- Embroidered Details, Sweet Expression: Detailed embroidery and a happy little smile add charm and keep the look soft and kid-friendly.
- Signature Outfit Accents: Charming hood and bright orange scarf give this plush standout personality and a warm, whimsical feel.
- Fun for Fans and Collectors: A lovable companion for young STAR WARS fans, collectors, and anyone who wants a cheerful plush for play or display.
Frequently Asked Questions
Who published the “20 best and 20 worst” list?
Gizmodo published “20 Best (And 20 Worst) Pets In Science Fiction,” by Alexis, on June 24, 2009. It is an informal editorial ranking.
Is this an objective ranking of science-fiction pets?
No. The original article gives personal, humorous rationales. It does not claim to use a consistent scoring method or represent a consensus.
Rank #4
- Huggable Chewbacca Comfort: A lightly stuffed for maximum huggability version of the beloved Wookiee made to bring cozy snuggles, smiles, and comforting companionship for STAR WARS fans.
- Ultra Soft, Floppy Plush: Super-soft materials with an under-stuffed, floppy body feel gentle in little arms and make cuddle time extra cozy.
- Embroidered Details, No Hard Parts: Sweet embroidered facial features and thoughtful stitching add charm and quality while staying baby-friendly.
- Signature Bandolier Touch: Soft bandolier detail adds character personality and makes this plush feel true to the iconic look.
- Just-Right Size for Little Hands: 11 inches tall, easy to hold and carry, safe for ages 0+ as a first plush for playtime, naps, and on-the-go comfort.
What does the list mean by “pet”?
It uses the term broadly. The entries include animals, aliens, robots, and other companions, so some are not literal household pets.
Is the list current?
It is a historical list from 2009. It does not cover newer science-fiction works or later franchise developments.
Best Value
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Where can I read about Willis from Red Planet?
Willis is one of the best-list entries associated with Robert A. Heinlein’s Red Planet. Penguin Random House also identifies Red Planet as a Heinlein science-fiction work in its Old Mars catalog description; that reference does not establish current availability of a particular edition.
Quick Recap
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