These aliens are green in color.
All items (859)
F
G
- G-force
- Galapagus (Universe-7781)
- Ganglione
-
- Gaston (Doppelgänger)
- Gatorbling
- Gatordog
- Gax (Bad Ben-OH)
- Gax (Battle Ben-OH)
- Gax (Ominihero)
- Gax (Omnifusion)
-
- Gemrock
- Gift Chomp
-
- GimBlocker
- GIR
-
- Glitch (Earth-50)/Timeline 1
-
- Glutton (AL 12)
- Gluttony
- Goop (AASC)
- Goop (B10 Reboot: AR)
- Goop (Bad Ben-OH)
- Goop (Battle Ben-OH)
- Goop (Ben 10K-OH)
- Goop (Earth-2018)
- Goop (Earth-32)/Dimension 1
-
- Goop (Earth-68)
- Goop (Earth-83)
- Goop (Earth-90)
- Goop (Earth-LD2004)
-
- Goop (Ken 10-OH)
-
- Goop (Ominihero)
- Goop (Restructure)
- Goop (TNO)
- Goop (Universe-7781)
-
- Goopray
- Goopwork
-
- Grasshopper
- Grasswarden
- Graviton (Alien Alliance)
- Green Needle
- Green Needle (Omnialiens)
- Green Needle (Universe-7781)
- Green Ninja
- Green Thumb
- Green-Thumb
- Grey Matter (Richard 10)
- Groot (Universe-7781)
- Ground-Breaker
- Groundcicle
- Guardian Reptile (Jake 10)
- Gummy Bear
-
- Gunny
- Gurge (Ben 10K-OH)
- Gurge (Earth-50)/Timeline 1
- Gutrot (Earth-50)/Timeline 1
- Gutrot (Pokémon Sky)
- Guttra
H
I
J
K
L
- Lacusapian
- Lampra
- Leafy (Omnialiens)
- Leap Frog (Brandon 10)
-
- Lepidourman (Ominihero)
- Leviathan (Battle Ben-OH)
- Leviathan (Ben 10K-OH)
- Levithian
-
- Lily the Voyager
- Lime Tourmaline (Pikaian Strange)
-
- Lizalien
-
- Loch Ness
- Lochnet (Battle Ben-OH)
- Lockenkey
- Locust (AL 12)
- Lodestar (Bad Ben-OH)
- Lodestar (Richard 10)
- Lodestar (TNO)
- Lostbite
- Lucubra
- Lunar Redeemer
M
-
-
- Mantis Shrimp
- Mantisect
- Massroom (TNO)
- Maximus Rex (AL 12)
- Meapdorable (Universe-7781)
-
- MeltDown
-
-
-
- Milleous (Universe-7781)
- Minecroc
- Minishot
-
- Molecinite
- MonkeyWrench
- Mr. Frog (Ben 23-OH)
- Ms. Bandages
- Mucus (Earth-LD2004)
- MUL8R
- Multi-Wrecker (AL 12 Reboot)
- Mummenade
- Murk Upchuck (Battle Ben-OH)
- Murk Upchuck (Ominihero)
-
- Mustard Gas
N