All characters of the show who are creatures or other living beings that come from anywhere outside of Earth.
Note: Beings from other dimensions do not count as aliens. Characters in this category must come from a different planet or place in outer space, but still exist in the Dimension C-137 with the exception of the Replacement Dimension from Rick Potion #9.
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All items (220)
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- Galactic Federation President
- Gar Gloonch
- Garblovians
- Garmanarnar
- Garthamor
- Gazorpazorpfield (Character)
- Gazorpians
- Geardude
- General Store Owner
- Gibble Snake
- Glar
- Glarb
- Glaxo Slimslom
- Glenn
- Glootie
- GlorpDieBlorp
- Gobo
- Gordon Lunas
- Gorpathian Dermaks
- Greebybobes
- Greg
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- Gromflomites
- Grunglokians
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- Scorpion Aliens
- Scroopy Noopers
- Scropon
- Scrotians
- Semosites
- Severnians
- Shimshamians
- Shipzuvians
- Shleemypants
- Shmooglite Runner
- Shnoopy Bloopers
- Shrimply Pibbles
- Slime Aliens
- Slippery Stair
- Smarkians
- Smumpians
- Snake Abraham Lincoln
- Snake Adolf Hitler
- Splorpians
- Squanchies
- Squanchy
- Steven Phillips
- Stu
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- Supernova
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