Kakuryu - Destron Strike Soldier
Kickback - Decepticon Espionage
Kickback - Decepticon Decoy #39
Kickback (Robot Heroes) - Decepticon
Kickback (Universe Classics 2.0) - Decepticon Agents
Kickback (Energon) - Decepticon
Kickback (Fall of Cybertron) - Decepticon
Kickback (Kre-O) - Decepticon
Kickback (Class of 1985) - Decepticon Best Break Dancer
Killbison - Destron Military Engineering
Kobushi - Decepticon Mini-Con
Knock Out - Decepticon
Knock Out (Cyberverse with Energon Driller) - Decepticon Weapons Specialist
Knock Out (Cyberverse Legion) - Decepticon Weapons Specialist
Knock Out (Dark Energon) - Decepticon
Knock Out (Beast Hunters) - Decepticon
Knock Out (Kre-O) - Decepticon
Knockout - Decepticon Battlefield Fortification
Krok - Decepticon Foot Soldier
Krok (TFSS v3.0) - Decepticon Agitprop

Landquake - Decepticon Warrior/Energon Specialist
Laserbeak - Decepticon Interrogation
Laserbeak (Titanium) - Decepticon
Laserbeak (Generations) - Decepticon
Laserbeak (Masterpiece) - Decepticon
Laserbeak (Platinum, Year of the Goat) - Decepticon
Laserbeak (Titans Return) - Decepticon
Laserbeak (Cybertron) - Decepticon Mini-Con
Laserbeak (Animated) - Decepticon
Laserbeak (Dark of the Moon) - Decepticon
Laserbeak (Human Alliance) - Decepticon
Laserbeak (Fall of Cybertron) - Decepticon
Laserbeak (Class of 1984) - Decepticon
Leland - Destron
Leozack - Destron Assistant Assault Commander
Leozack - Decepticon Experimental Airborne Assault
Liokaiser - Destron Heavy Mobile Gestalt
Liokaiser (SCF) - Destron
Liokaiser (Pewter) - Destron
Liokaiser (Combiner Wars) - Decepticon
Lockdown - Decepticon Bounty Hunter
Lockdown (Activators) - Decepticon
Lockdown (Bandit) - Decepticon
Lockdown (Stealth) - Decepticon Bounty Hunter
Lockdown (Blazing) - Decepticon Warrior
Lockdown (Bumper Battlers) - Decepticon
Lockdown (Movie) - Decepticon
Lockdown (Speed Stars) - Decepticon
Lockdown (Age of Extinction) - Decepticon
Lockdown (One Step Changers) - Decepticon
Lockdown (Power Battlers) - Decepticon
Lockdown (Q-Transformers) - Decepticon
Lockdown (Bot Shots) - Decepticon
Lockdown (Decepticon Fire Assault Team) - Decepticon
Lockdown (Construct-Bots) - Decepticon
Lockdown (Dinobot Warriors) - Decepticon
Lockdown (Grimlock Unleashed) - Decepticon
Long Haul - Decepticon Transport
Long Haul - Decepticon Decoy #45
Long Haul (Generation 2) - Decepticon Transport
Long Haul (Transformers: Universe) - Decepticon
Long Haul (Transformers: Universe Target) - Decepticon
Long Haul (Classics) - Decepticon
Long Haul (Combiner Wars) - Decepticon
Long Haul (SDCC 2015) - Decepticon
Long Haul (Movie) - Decepticon
Long Haul (Movie, Robot Heroes) - Decepticon
Long Haul (Devestation Blast) - Decepticon
Long Haul (RPM) - Decepticon
Long Haul (Supreme) - Decepticon
Long Haul (Legends) - Decepticon
Long Haul (Speed Stars, Desert) - Decepticon
Long Haul (Toys R Us, Legends) - Decepticon
Long Haul (Legends) - Decepticon
Long Haul (Kre-O) - Decepticon
Longview - Decepticon
Lugnut - Decepticon Thug
Lugnut (McDonald's) - Decepticon
Lugnut (Atomic) - Decepticon Thug
Lugnut (Reveal the Shield) - Decepticon
Lugnut (Kre-O) - Decepticon
Lugnutz - Decepticon

Magnificus - Destron Outcast
Magnificus (Generations) - Decepticon
Mazda Type - Decepticon Minispy
Meantime - Decepticon
Mega-Octane - Decepticon Flatbed Truck
Mega-Octane (Wal*Mart) - Decepticon
Mega-Octane (Transformers: Universe) - Decepticon
Mega Zarak (SCF) - Destron
Mega Zarak (Pewter) - Destron
Megabolt - Decepticon Emissary!
Megaplex - Decepticon Warrior / Clone
Megaplex (E-Hobby) - Destron Warrior/Clone
Megaplex (Botcon 2013) - Decepticon Clone General
Megaplex (Kre-O) - Decepticon
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 (SCF, Clear) - Destron
Megatron (SCF, Reincarnation) - Destron
Megatron (SCF, Pewter w/Condor) - Destron
Megatron (Choro-Q) - Destron
Megatron (Choro-Q, Black) - Destron
Megatron (Heroes of Cybertron) - Decepticon
Megatron (Heroes of Cybertron, w/mace) - Decepticon
Megatron (Mega SCF) - Destron
Megatron (Heroes of Cybertron, w/Laserbeak) - Decepticon
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 (Revoltech) - Destron
Megatron (Attacktix, G1) - Decepticon
Megatron (Robot Heroes, Wal*Mart) - Decepticon
Megatron (Botcon) - Decepticon Leader
Megatron (Universe Legends Classics 2.0) - Decepticon
Megatron (HasbroToyShop) - Decepticon
Megatron (Reveal the Shield) - Decepticon
Megatron (Chronicle, Tank) - Decepticon
Megatron (Generations GDO) - Decepticon
Megatron (Thrilling 30) - Decepticon
Megatron (Generations Legends) - Decepticon
Megatron (Titan Guardians) - Decepticon
Megatron (Nike Calvin Johnson) - Decepticon
Megatron (GT) - Decepticon
Megatron (EZ, EG06) - Decepticon
Megatron (Bearbrick) - Decepticon
Megatron (Combiner Wars) - Decepticon
Megatron (One Shall Stand, One Shall Fall) - Decepticon
Megatron (Beast Megatron, Robot Masters) - Destron Emperor of Destruction
Megatron (Beast Megatron, Hyper Hobby) - Destron Emperor of Destruction
Megatron (Armada) - Decepticon
Megatron (McDonald's) - Decepticon
Megatron (Built To Rule) - Decepticon
Megatron (Armada Mega SCF) - Destron
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 (Armada, Combiner Wars) - 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 (Keychain) - Decepticon
Megatron (Ice) - Decepticon
Megatron (Premium Series) - Decepticon
Megatron (Robot Heroes, Wal*Mart) - Decepticon
Megatron (Night Attack) - Decepticon
Megatron (Screen Battles) - Decepticon
Megatron (Robot Heroes, Mace) - 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 (Gathering at Nemesis) - Decepticon
Megatron (RPMs Battle Series) - Decepticon
Megatron (Robot Heroes, Mid-Transformation) - Decepticon
Megatron (Shadow Command) - Decepticon
Megatron (Activators, Movie) - Decepticon
Megatron (Speed Stars) - Decepticon
Megatron (Victory of the Fallen) - Decepticon
Megatron (Stealth Force) - Decepticon
Megatron (Dark of the Moon) - Decepticon
Megatron (Commander) - Decepticon
Megatron (Blastwave Weapons Base) - Decepticon
Megatron (Target Commander) - Decepticon
Megatron (Robo Fighters) - Decepticon
Megatron (One Step Changers) - Decepticon
Megatron (Botcon 2015) - Decepticon The Boss
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 (Generations) - Decepticon
Megatron (Rage Over Cybertron) - Decepticon
Megatron (Prime First Edition) - Decepticon
Megatron (Prime) - Decepticon
Megatron (Prime Cyberverse Commander) - Decepticon Leader
Megatron (Dark Energon) - Decepticon
Megatron (Beast Hunters, Sharkticon) - Decepticon
Megatron (Beast Hunters, Unicron) - Decepticon Leader
Megatron (Beast Hunters, Titan Heroes) - Decepticon
Megatron (Bot Shots Launcher) - Decepticon
Megatron (Bot Shots, 3-Pack) - Decepticon
Megatron (Bot Shots, Super Bot) - Decepticon
Megatron (Battle for the Matrix) - Decepticon
Megatron (Bot Shots B018) - Decepticon
Megatron (Dragon Track) - Decepticon
Megatron (Decepticon Fire Assault Team) - Decepticon
Megatron (Spin Shot) - Decepticon
Megatron (Darkside) - Decepticon
Megatron (Kre-O) - Decepticon
Megatron (Class of 1984) - Decepticon Best Frenemies (with Starscream)
Megatron (Brick Box) - Decepticon
Megatron (Battle Changers) - Decepticon
Megatron (Construct-Bots) - Decepticon
Megatron (Construct-Bots Elite) - Decepticon
Megatron (Construct-Bots, Unicron) - Decepticon
Megatron (Hero Mashers) - Decepticon
Megatron (Battle Masters) - Decepticon "The Calamity of Humanity"
Megatron (Battle Masters, Remolded) - Decepticon "The Calamity of Humanity"
Megatron Megabolt - Decepticon Emissary
Megatronus (5-Step Changers) - Decepticon
Megatronus (Legion Class) - Decepticon
Megatronus (TRU Warrior Class) - Decepticon
Megazarak - Decepticon Warlord
Meltdown - Decepticon Aerial Counterattack
Menasor - Decepticon Super Warrior
Menasor (Classics) - Decepticon Super Warrior
Menasor (Titanium) - Decepticon
Menasor (Combiner Wars) - Decepticon
Menasor (Combiner Wars Generation 2) - Decepticon
Menasor (Cybertron) - Decepticon
Menasor (Kre-O) - Decepticon
Metrotitan - Destron Commander
Midnighter XR-4 - Decepticon
Mindswipe - Decepticon
Mindwipe - Decepticon Hypnotist
Mindwipe (Titans Return) - Decepticon
Mindwipe (Movie) - Decepticon
Mirage - Decepticon
Misfire - Decepticon Interceptor
Missile Run - Destron
Mixing - Destron
Mixmaster - Decepticon Materials Fabrication
Mixmaster - Decepticon Decoy #46
Mixmaster (Generation 2) - Decepticon Materials Fabrication
Mixmaster (Combiner Wars) - Decepticon
Mixmaster (SDCC 2015) - Decepticon
Mixmaster (Movie) - Decepticon
Mixmaster (Toys R Us) - Decepticon
Mixmaster (Robot Heroes) - Decepticon
Mixmaster (Supreme) - Decepticon
Mixmaster (RPMs) - Decepticon
Mixmaster (Legends) - Decepticon
Mixmaster (Toys R Us, Legends) - Decepticon
Mixmaster (Kre-O) - Decepticon
Monstructor - Decepticon Super Warrior
Motorbreath - Decepticon
Motorbreath (Bot Shots) - Decepticon
Motorbreath (Kre-O) - Decepticon
Motorhead - Decepticon Mobile Assault
Motormaster - Decepticon Stunticon Leader
Motormaster (Combiner Wars) - Decepticon
Motormaster (Combiner Wars Generation 2) - Decepticon
The Motormaster (Animated) - Decepticon Stunticons Leader
Movor - Decepticon
Movor (Wal*Mart) - Decepticon
Movor (Transformers: Universe) - Decepticon
Mudflap - Decepticon
Mudflap (Movie) - Decepticon
Mudslinger - Decepticon

Nacelle - Decepticon Aero Engineer
Nautilator - Decepticon Underwater Excavations
Nautilator (Transformers Collectors Club) - Decepticon Underwater Excavations
Nautilator (G1 Commemorative) - Decepticon Underwater Excavations
Nautilator (Kre-O) - Decepticon
Needlenose - Decepticon Aerial Warrior
Nemesis Breaker - Decepticon
Nemesis Prime - Decepticon
Nemesis Prime (Transformers: Universe) - Decepticon
Nemesis Prime (Alternators) - Decepticon
Nemesis Prime (Universe Classics 2.0) - Decepticon
Nemesis Prime (Generations) - Decepticon
Nemesis Prime (Transformers: Adventure) - Decepticon
Nemesis Prime (Bot Shots) - Decepticon
Nemesis Prime (Kre-O) - Decepticon
Nemesis Strika - Decepticon
Neo-Wheel (Reverse Evolution) - Decepticon
Nexus Maximus - Decepticon?
Nightbird Shadow - Decepticon
Nightflight - Decepticon Espionage
Nightracer - Decepticon Gunner
Nightracer (TFSS v3.0) - Decepticon Gunner

Obsidian (Transformers: Universe) - Decepticon Aerial Combat
Obsidian (Robots In Disguise) - Decepticon Helicopter
Octane - Decepticon Fueler
Octopunch - Decepticon Salvage
Octopunch (Botcon 2012) - Decepticon Amphibious Assault
Offroad - Decepticon Extreme Conditions Warfare
Oil Pan - Decepticon
Oil Slick - Decepticon
Oil Slick (Classics) - Decepticon
Oil Slick (Animated) - Decepticon Anarchist Road Warrior
Oilmaster - Decepticon The Bounty Hunter
Onslaught - Decepticon Combaticon Leader
Onslaught (Generation 2) - Decepticon Combaticon Leader
Onslaught (Universe Classics 2.0) - Decepticon
Onslaught (Universe Classics 2.0 Legends) - Decepticon
Onslaught (Target) - Decepticon Combaticon Leader and Strategic Genius
Onslaught (Combiner Wars) - Decepticon
Onslaught (Combiner Wars Generation 2) - Decepticon
Onslaught (Movie) - Decepticon Combaticon Leader and Strategic Genius
Onslaught (Fall of Cybertron) - Decepticon
Onslaught (Platinum Edition) - Decepticon
Onslaught (Kre-O) - Decepticon
Optimus Prime (Darkside) - Decepticon
Over-Run - Decepticon
Over-Run (Transformers Collector's Club) - Decepticon Car
Overbite - Decepticon Undersea Terminator
Overbite (Transformers Collectors Club) - Decepticon Seacon Sub-Commander
Overbite (G1 Commemorative) - Decepticon Undersea Terminator
Overbite (Transformers: Universe) - Decepticon
Overbite (Classics) - Decepticon
Overbite (Kre-O) - Decepticon
Overcast - Decepticon
Overcharge - Destron Spaceborne Trooper
Overkill - Decepticon Warrior
Overkill (HasbroToyShop) - Decepticon
Overload - Decepticon
Overload (Toys R Us, Legends) - Decepticon
Overload (Robots in Disguise 2015) - Decepticon
Overlord - Destron Ambassador of Destruction
Overlord (SCF, Pewter) - Destron
Override - Decepticon