Mach - Cybertron
Mach (Reissue) - Cybertron
Mach (CD) - Micron
Mach (X-Dimension) - Micron
Mach (Change Micron) - Micron
Mach (Micron Booster) - Micron
Mack Kick - Cybertron Express Courier
Machtackle - Cybertron Air/Land Warrior
Machtackle (Reissue) - Cybertron
Mad - Micron
Magmatron - Destron Emperor of Destruction, Warrior
Magna Stampede - Autobot
Magnaboss - Maximal Combat Leader
Magnaboss - Cybertron Gestalt Warrior
Magnificus - Destron Outcast
Magnus (Crystal) - Micron
Mainframe - Autobot Systems Analyst
Makeshift - Mini-Con
Makeshift (Recolor) - Mini-Con
Makeshift (Transformers: Universe) - Mini-Con
Makeshift (Universe 2.0) - Autobot
Manta Ray - Autobot Ocean Defense Specialist
Manta Ray - Predacon
Manterror - Predacon Quick-Attack Specialist
Mantis - Cybertron Ninja
Marco (Beetle) - Animorph
Marco (Gorilla) - Animorph
Marco (Lizard) - Animorph
Marco (Tri-Rex) - Animorph
Material - Micron
Max B - Destron Bodyguard Captain
Mazda Type - Autobot Minispy
Mazda Type - Decepticon Minispy
Meanstreak - Autobot Street Fighter
Meantime - Decepticon
Mechatron - Vehicon Assault Chariot
Mechatron (Repaint) - Vehicon Assault Chariot
Mega-Dinobot - Autobot
Mega-Octane - Decepticon Flatbed Truck
Mega-Octane (Wal*Mart) - Decepticon
Mega-Octane (Transformers: Universe) - Decepticon
Megalligator - Destron Emperor Of Destruction
Megabolt - Decepticon Emissary!

Megaplex - Decepticon Warrior / Clone
Megaplex (E-Hobby) - Destron Warrior/Clone
Megastorm - Destron Duke of Destruction
Megatron - Decepticon Leader
Megatron - Decepticon Decoy #32
Megatron (Action Master) - Decepticon Leader
Megatron (Generation 2) - Decepticon Commander
Megatron (Hero) - Decepticon Leader
Megatron (Go-Bot) - Decepticon Commander
Megatron (Machine Wars) - Decepticon Commander
Megatron (Black) - Destron Leader
Megatron (Smallest TF) - Destron
Megatron (Classics) - Decepticon
Megatron (DVD) (Classics) - Decepticon
Megatron (Titanium) - Decepticon
Megatron (Masterpiece) - Destron
Megatron (TWW Titanium) - Decepticon
Megatron (Robot Heroes) - Decepticon
Megatron (Sport Label) - Destron
Megatron (Robot Heroes, Wal*Mart) - Decepticon
Megatron (Botcon) - Decepticon Leader
Megatron (Universe Legends Classics 2.0) - Decepticon
Megatron (HasbroToyShop) - Decepticon
Megatron (RiD) - Predacon Leader
Megatron - Predacon Commander
Megatron (Tyrannosaur)- Predacon Commander
Megatron (Transmetal) - Predacon Commander
Megatron (Transmetal 2) - Predacon Commander
Megatron (Beast Machines) - Predacon Vehicon Leader
Megatron (McDonald's) - Vehicon
Megatron (Beast Megatron, Robot Masters) - Destron Emperor of Destruction
Megatron (Beast Megatron, Hyper Hobby) - Destron Emperor of Destruction
Megatron (Botcon) - Predacon Commander
Megatron (10th Anniversary) - Predacon
Megatron (Toys R Us) - Predacon
Megatron (Titanium) - Predacon
Megatron (BW Telemocha) - Destron
Megatron (Robot Heroes, Beast Wars) - Predacon
Megatron (Robot Heroes, Transmetal) - Predacon
Megatron (Armada) - Decepticon
Megatron (Armada McDonald's) - Decepticon
Megatron (Built To Rule) - Decepticon
Megatron (Energon) - Decepticon
Megatron (Energon Energon) - Decepticon
Megatron (McDonald's Energon) - Decepticon
Megatron (Cybertron) - Decepticon
Megatron (Burger King) - Decepticon
Megatron (Legends of Cybertron) - Decepticon
Megatron (Jungle Planet) - Decepticon
Megatron (Cybertron, Titanium) - Decepticon
Megatron (Attacktix) - Decepticon
Megatron (Vehicle Mode) - Decepticon
Megatron (Movie) - Decepticon
Megatron (Legends) - Decepticon
Megatron (Voyager) - Decepticon
Megatron (Best Buy Premium Series) - Decepticon
Megatron (Robot Heroes) - Decepticon
Megatron (Fusion Blast) - Decepticon
Megatron (Robot Replicas) - Decepticon
Megatron (Lunchables) - Decepticon
Megatron (Burger King, Movie) - Decepticon
Megatron (Unleashed) - Decepticon
Megatron (Ice) - Decepticon
Megatron (Premium Series) - Decepticon
Megatron (Robot Heroes, Wal*Mart) - Decepticon
Megatron (Night Attack) - Decepticon
Megatron (Screen Battles) - Decepticon
Megatron (Revenge of the Fallen) - Decepticon
Megatron (Revenge of the Fallen, Legends) - Decepticon
Megatron (Revenge of the Fallen, Voyager) - Decepticon
Megatron (Revenge of the Fallen, Robot Heroes) - Decepticon
Megatron (Cannon Blast) - Decepticon
Megatron (Revenge of the Fallen, Robot Replicas) - Decepticon
Megatron (Revenge of the Fallen, Burger King) - Decepticon
Megatron (Robot Heroes, Vehicle Mode) - Decepticon
Megatron (Battle for the Allspark) - Decepticon
Megatron (RPMs) - Decepticon
Megatron (RPMs Battle Series) - Decepticon
Megatron (Robot Heroes, Mid-Transformation) - Decepticon
Megatron (Animated) - Decepticon Ultimate Intergalactic Tyrant
Megatron (Cybertronian Mode) - Decepticon Tyrant
Megatron (Battle Begins) - Decepticon Tyrant
Megatron (McDonald's) - Decepticon
Megatron (Activators) - Decepticon
Megatron (Shadow Blade) - Decepticon
Megatron Megabolt - Decepticon Emissary
Megazarak - Decepticon Warlord
Meister - Autobot Special Ops. Agent
Meltdown - Decepticon Aerial Counterattack
Menasor - Decepticon Super Warrior
Menasor (Titanium) - Decepticon
Menasor (Cybertron) - Decepticon
Metalhawk - Cybertron Space Commander
Metroplex - Autobot Battle Station
Metroplex (Cybertron) - Autobot
Metrotitan - Destron Commander
Midnight Express - Autobot Train
Midnight Express (Transformers: Universe) - Autobot
Midship - Micron
Mikaela Banes - Human
Mile - Micron
Mindwipe - Decepticon Hypnotist
Minerva - Cybertron First Aid Care
Mir (X-Dimension) - Micron
Mir (Change Micron) - Micron
Mirage - Autobot Spy
Mirage - Autobot Decoy #20
Mirage (Go-Bot) - Autobot Counter Intelligence
Mirage (Machine Wars) - Autobot Counter Intelligence
Mirage (Alternators) - Autobot
Mirage (Classics) - Autobot Spy
Mirage (Botcon) - Autobot Spy
Mirage (Robot Heroes) - Autobot
Mirage (Wal*Mart, Robot Heroes) - Autobot
Mirage (RiD) - Autobot
Mirage (KB Clear) - Autobot Race Car
Mirage (KB Recolor) - Autobot Race Car
Mirage - Decepticon
Mirage - Mini-Con
Mirage (Road Assault) - Mini-Con
Mirage (Wal*Mart) - Mini-Con
Mirage - Vehicon Warrior
Mirage GT - Autobot
Mirage-Bot - Autobot
Misfire - Decepticon Interceptor
Missile Master - Autobot Interstellar Defense
Missile Run - Cybertron
Missile Run - Destron
Missile Run (Berserker) - Cybertron
Mixing - Cybertron
Mixing (Reissue) - Cybertron
Mixing - Destron
Mixmaster - Decepticon Materials Fabrication
Mixmaster - Decepticon Decoy #46
Mixmaster (Generation 2) - Decepticon Materials Fabrication
Mixmaster (Movie) - Decepticon
Mixmaster (Toys R Us) - Decepticon
Mixmaster (Robot Heroes) - Decepticon
Mol - Maximal Demolitions
Mol (Repaint) - Maximal Demolitions
Monocle - Autobot Mini-Con
Monstructor - Decepticon Super Warrior
Moon - Celestial Observer
Moonrock - Autobot Interstellar Defense
Motorarm - Cybertron Sumo Wrestler
Motorarm (BW Telemocha) - Cybertron Sumo Wrestler
Motorcycle Drone - Vehicon Mobile Infantry
Motorhead - Decepticon Mobile Assault
Motormaster - Decepticon Stunticon Leader
Motormouth - Autobot Backup Support
Mototron - Autobot
Move (X-Dimension) - Micron
Move (Change Micron) - Micron
Movor - Decepticon
Movor (Wal*Mart) - Decepticon
Movor (Transformers: Universe) - Decepticon
Mudflap - Decepticon
Mudflap (Movie) - Decepticon
Mudflap (Revenge of the Fallen) - Autobot
Mudflap (Robot Heroes) - Autobot
Mudflap (Legends) - Autobot
Mudflap (Grapple Grip) - Autobot
Mudflap (Gravity Bots) - Autobot
Mudflap (RPMs) - Autobot
Mudflap (Ice Cream Truck) - Autobot
Mudflap (Wal*Mart Legends) - Autobot
Mudflap (Straightaway Shootout) - Autobot
Mudflap (Robot Heroes, Vehicle Mode) - Autobot
Mudflap (Robot Heroes, Ice Cream Vehicle Mode) - Autobot
Mudflap (Tuner) - Autobot
Mudflap (Legends, Rally) - Autobot
Mudslinger - Autobot Covert Activities
Mugen - Micron