B'Boom - Maximal Guerrilla Warfare Specialist
Backstop - Autobot
Backstreet - Autobot Lookout
Backtrack - Mini-Con
Backtrack (Cybertron) - Mini-Con
Bad Boy - Destron
Bank (CD) - Micron
Bank (Change Micron) - Micron
Bank (X-Dimension) - Micron
Bantor - Maximal Jungle Warrior, Demolitions Expert
Banzai-Tron - Decepticon Martial Arts Warrior
Barbearian / Grizzly-1 - Maximal Berzerker
Barrage - Autobot Interstellar Defense
Barrage - Decepticon Gunner
Barricade - Decepticon Mobile Assault
Barricade (Energon) - Decepticon
Battle Gaia - Destron 5-Robot Gestalt Attack Soldier
Battle Ravage - Decepticon
Battle Ravage (Alternators) - Decepticon Saboteur
Battle Unicorn - Maximal Scout Warrior
Battletrap - Decepticon Assault Team
Bazooka - Destron Fortress Guard
BB - Destron Bombardier
Beachcomber - Autobot Geologist
Beachcomber (Generation 2) - Autobot Geologist
Beachcomber (Energon) - Autobot
Beacon - Micron
Beast Changer - Maximal Warrior
Beast Convoy - Cybertron Supreme Commander
Beast Convoy (Hyper Hobby) - Cybertron Supreme Commander
Beast Megatron - Destron Emperor of Destruction
Beast Megatron (Hyper Hobby) - Destron Emperor of Destruction
Beast-Bot - Go-Bots
Beast-Bot (Dinosaur) - Go-Bots
Beast-Bot II - Autobot
Beastbox - Decepticon Interrogator
Beetle - Predacon
Big Convoy - Cybertron Supreme Commander
Big Convoy (Black) - Cybertron Supreme Commander
Big Daddy - Autobot Highway Reconnaissance
Big Hauler - Autobot Ground Transport
Big Horn - Cybertron Shock Trooper
Big Mos - Cybertron Insectron Commander
Big Shot - Autobot Rapid Deployment Strike Force
Bilge - Micron
Birdbrain - Decepticon Aerial Attack Trooper
Bit - Micron
Black Heat - Cybertron Cyber Warrior
Black Rodimus - Autobot Knight of Darkness
Black Shadow - Destron Space Mafia
Black Zarak - Destron Dark Emperor
Blackarachnia - Predacon Double Agent
Blackarachnia (Transmetal) - Predacon
Blackarachnia (Transmetal 2) - Maximal Saboteur
Blackarachnia (Beast Machines) - Maximal Saboteur
Blackarachnia (McDonald's BM) - Maximal
Blackarachnia (Transformers: Universe) - Decepticon Covert Operations
Blacker - Cybertron Assistant Commander Knight
Blackjack - Decepticon Advance Assault
Blackout - Decepticon Ground Infantry
Blackout - Mini-Con
Blackout (Built To Rule) - Mini-Con
Blackout (Powerlinx) - Mini-Con
Blackout (Night Attack) - Mini-Con
Blackout (KB) - Mini-Con
Blackout (Energon) - Decepticon
Blades - Autobot Air Support
Blast Master - Autobot Interstellar Defense
Blast Off - Decepticon Space Warrior
Blast Off (Generation 2) - Decepticon Space Warrior
Blastcharge - Vehicon All-Terrain Combat Specialist
Blastcharge - Decepticon
Blaster - Autobot Communications
Blaster - Autobot Decoy #29
Blaster (Action Master) - Autobot Communications
Blaze - Autobot Hit Man
Blaze Master - Autobot Air Defense
Blight - Decepticon
Blitz - Micron
Blitzwing - Decepticon Ground and Air Commander
Blitzwing - Decepticon Decoy #37
Blot - Decepticon Foot Soldier
Blowout - Autobot Pursuit and Capture
Bludgeon - Decepticon Electric Warrior
Bludgeon (Destructicon) - Decepticon Destructicon
Blue Bacchus - Destron Space Gunman
Bluestreak - Autobot Gunner
Bluestreak - Autobot Decoy #23
Bluestreak (Anime) - Cybertron Gunner
Bluestreak (Chrome) - Cybertron Gunner
Bluestreak (Smallest TF) - Cybertron Gunner
Blurr - Autobot Data Courier
Blurr (Targetmaster) - Autobot Data Courier
Blurr (Armada) - Autobot
Blurr (Cybertron) - Autobot
Bomb (TRU Japan) - Micron
Bomb (X-Dimension) - Micron
Bomb-Burst - Decepticon Predator
Bombshell - Decepticon Psychological Warfare
Bombshell - Decepticon Decoy #41
Bombshell (Action Master) - Decepticon Psychological Warfare
Bombshock - Decepticon Front Line Assault
Bonecrusher - Decepticon Demolitions
Bonecrusher - Decepticon Decoy #44
Bonecrusher (Generation 2) - Decepticon Demolitions
Bonecrusher (Transformers: Universe) - Decepticon
Bonecrusher (Transformers: Universe Target) - Decepticon
Bonecrusher - Maximal First-Strike Infantry
Bonecrusher - Mini-Con
Bonecrusher (Energon) - Decepticon
Boss - Autobot Force Leader
Bound Rogue - Cybertron Resource Provision
Brainstorm - Autobot Biomechanical Engineer
Brake - Micron
Brakedown - Autobot
Braver - Cybertron Strategist Knight
Brawl - Decepticon Ground Assault
Brawl (Generation 2) - Decepticon Ground Assault
Brawn - Autobot Demolitions
Brawn - Autobot Decoy #24
Brawn (Black) - Cybertron
Break - Cybertron Polar Operative
Breakdown - Decepticon Scout
Breakdown (Generation 2) - Decepticon Scout
Brimstone - Decepticon
Bristleback - Decepticon Ground Assault
Broadblast - Cybertron
Broadside - Autobot Air & Sea Assault
Broadside - Mini-Con
Browning - Destron Gunman
Brushguard - Decepticon
Bruticus - Decepticon Super Warrior
Bruticus (Generation 2) - Decepticon
Bruticus - Predacon Dog
Bruticus Maximus - Decepticon
Buckethead - Decepticon
Bug Bite - Destron
Bug Drone - Micron
Bug General - Micron
Buggy Type - Autobot Minispy
Buggy Type - Decepticon Minispy
Bugly - Decepticon Strategist
Bulge - Micron
Bulkhead - Autobot
Bullet - Cybertron
Bulletbike - Decepticon Combat Destruction
Bumble (CD) - Micron
Bumble (Change Micron) - Micron
Bank (X-Dimension) - Micron
Bumblebee - Autobot Espionage
Bumblebee - Autobot Decoy #26
Bumblebee (Pretender)- Autobot Espionage
Bumblebee (Action Master) - Autobot Espionage
Bumblebee (Generation 2) -Autobot Espionage
Bumblebee (Go-Bot) - Autobot Espionage
Bumblebee (Black) - Cybertron
Bumblebee (Smallest TF) - Cybertron
Bumblebee (Reissue) - Cybertron Espionage
Bump - Cybertron Physicist
Bumper - Autobot
Buster - Destron Space Aviator
Buzz Saw - Predacon Aerial Surveillance
Buzzclaw - Predacon Saboteur, Quick Attack Specialist
Buzzclaw - Decepticon Warrior
Buzzer-Bot - Autobot
Buzzer-Bot - Go-Bots
Buzzer-Bot (Glow-Bots) - Go-Bots
Buzzer-Bot (Convertible) - Go-Bots
Buzzsaw - Decepticon Spy
Buzzsaw (Cybertron) - Decepticon
Buzzsaw - Maximal Aerial Reconnaissance
Buzzsaw - Mini-Con
Buzzsaw (Road Wrecker) - Mini-Con