Gaihawk (1989 - Victory Breastforce - Japan)
Gairyu (1989 - Dinoforce - Japan)
Galaxy Shuttle (1989 - G1 Micromaster Transport - Japan)
Galva-Convoy (1998 - Beast Wars 2 - Japan)
Galvatron (1986 - G1)
Galvatron (1998 - Beast Wars 2 - Japan)
Galvatron (2001 - RiD)
Galvatron (2003 - Armada)
Galvatron (2003 - HoC)
Galvatron (2005 - Energon)
Galvatron (2005 - Anime)
Gas Skunk (2001 - RiD)
Gasket (1987 - G1 Headmaster)
Gasket (2005 - Galaxy Force - Japan)
Gatoraider (1990 - G1 Action Master)
Gearhead (1995 - G2 Go-Bot)
Gears (1984 - G1)
Geckobot (2000 - Beast Machines)
Gelshark (2000 - Car Robots - Japan)
Getaway (1988 - G1 Powermaster)
Getsuei (1987 - Trainbot - Japan)
Giga (1988 - G1 - Japan)
Gigascouter (1998 - Beast Wars 2 - Japan)
Gigastorm (1998 - Beast Wars 2 - Japan)
Gigatron (2000 - Car Robots - Japan)
Gigatron (2004 - HoC)
Gimlet (1998 - Beast Wars 2 - Japan)
Gingham (1990 - Zone Super Car Patrol - Japan)
Ginrai (1988 - Japan)
Ginrai (2002 - CS II)
Glide (1992 - Sixturbo - Japan)
Glitch (1990 - G1 Action Master)
Glyph (2002 - Expanded Universe)
Gnaw (1986 - G1 Sharkticon)
Go Shooter (1988 - G1 Headmaster - Japan)
Gobots (1993 - G2)
God Fire Convoy (2000 - Car Robots - Japan)
God Ginrai (1988 - G1 Godmaster - Japan)
God Ginrai (2002 - Fire Guts - Japan)
God Ginrai Jr. (1988 - G1 - Japan)
God Magnus (2000 - Car Robots - Japan)
God Magnus (Stealth) (2000 - Car Robots - Japan)
God Neptune (1998 - Beast Wars 2 - Japan)
Godbomber (1988 - G1 - Japan)
Goldbug (1987 - G1 Throttlebot)
Gorilla-Bot (2005 - Go-Bots)
Gort (1987 - G1 Nebulan Headmaster)
Goryu (1989 - Dinoforce - Japan)
Gran Arm (1992 - Sixbuilder - Japan)
Grand Maximus (1988 - G1 Headmaster - Japan)
Grand Maximus Jr. (1988 - Japan)
Grandslam (1988 - G1)
Grandus (1991 - Japan)
Graphy (1987 - Cassette - Japan)
Grapple (1985 - G1)
Grapple (2003 - CS VI)
Grax (1987 - G1 Nebulan Headmaster)
Greasepit (1989 - G1 Micromaster)
Greaser (1990 - G1 Micromaster Hot Rod Patrol)
Great Cannon (1992 - Battle Gaia - Japan)
Great Shot (1989 - Victory - Japan)
Grejeber (2000 - Car Robots - Japan)
Grimlock (1985 - G1 Dinobot)
Grimlock (1989 - G1 Legends)
Grimlock (1989 - G1 Pretender)
Grimlock (1990 - G1 Action Master)
Grimlock (1992 - G2 Dinobot - grey)
Grimlock (1993 - G2 Dinobot - teal)
Grimlock (1993 - G2 Dinobot - blue)
Grimlock (1997 - Beast Wars)
Grimlock (2001 - RiD)
Grimlock (2003 - Armada)
Grimlock (2003 - HoC)
Grimlock (2003 - RiD giftset)
Grimlock (2005 - Alternator)
Gripper (1991 - Motorvator - Europe)
Grindor (2002 - Armada Street Action Mini-Con Team)
Grindor (2004 - Energon Perceptor Mini-Con Team)
Grindor (2004 - Universe Street Action Mini-Con Team)
Grit (1990 - G1 Micromaster Constructor Squad)
Grizzly-1 (1998 - Beast Wars 2 - Japan)
Grommet (1987 - G1 Headmaster)
Groove (1986 - G1 Protectobot)
Groove (1994 - G2 Protectobot - unreleased)
Groove (2004 - Universe Protectobot)
Grotusque (1987 - G1 Monsterbot)
Groundbreaker (1988 - G1 Pretender)
Ground Hog (1990 - G1 Micromaster Race Track Patrol)
Groundpounder (1990 - G1 Micromaster Construction Patrol)
Groundshaker (1989 - G1 Micromaster)
Growl (1990 - G1 Micromaster Military Patrol)
Guard City (1992 - Guard City - Japan)
Guard Minder (1988 - G1 - Japan)
Guardshell (2005 - Cybertron / Galaxy Force)
Guiledart (1999 - Beast Wars Neo - Japan)
Gunbarrel (2003 - Armada Air Military Mini-Con Team)
Gunbarrel (2004 - Universe Air Military Mini-Con Team)
Gunbarrel (2004 - Universe)
Gunlift (1990 - Zone - Japan)
Gunrunner (1988 - G1 Pretender)
Gunrunner (1990 - Micromaster Tank Base)
Gurafi (1987 - Cassette - Japan)
Gusher (1990 - G1 Micromaster Tanker Transport)
Gutcruncher (1990 - G1 Action Master)
Guzzle (1988 - G1 Sparkabot)
Guzzle (1988 - G1 Sparkabot - Japan)