Abominus - Decepticon Gestalt Warrior
Accel - Micron
Aerobot - Autobot
Aero-Bot - Go-Bots
Aero-Bot II - Autobot
Aerobot (Racer) - Go-Bots
Aero-Bot (Flying Fists) - Go-Bots
Aero-Bot (Toys R Us) - Go-Bots
Afterburner - Autobot Gunner
Afterburner - Decepticon Technicians Master
Ai - Cybertron
Air Hammer - Maximal Aerial Reconnaissance
Air Hunter - Destron Swordsman
Air Raid - Autobot Warrior
Air Raid (Generation 2) - Autobot Warrior
Air Raid (Cyberjet) - Autobot Warrior
Air Raid (Transformers: Universe) - Autobot
Airlift Andy
Airazor - Maximal Aerial Recon
Airazor (Video) - Maximal Aerial Recon
Airazor (Transmetal) - Maximal Aerial Recon
Airazor (Fox Kids Transmetal) - Maximal Aerial Recon
Airazor (Armada) - Autobot
Airraptor - Maximal Surveillance, Sharpshooter
Airwave - Decepticon Aerial Defense
Alan - Cybertron
Alan (Reissue) - Cybertron
Alert - Cybertron Security Director
Alpha Quintesson - Decepticon
Antagony - Predacon Chemical Warfare
Anti-Blaze - Autobot Mini-Con
Apeface - Decepticon Saboteur
Apelinq - Maximal Squadron Commander
Ape-Linq - Mini-Con/Autobot
Apex Bomber - Autobot Armored Warrior
Apollo (X-Dimension) - Micron
Apollo (Change Micron) - Micron
Aquablast - Decepticon Engineer
Aquafend - Autobot Espisonage Expert
Aquastar - Cybertron
Arachnid - Predacon
Arcee - Autobot Valkyrie
Arcee (Energon) - Autobot
Arcee (CD) - Micron
Arcee (Change Micron) - Micron
Arcee (X-Dimension) - Micron
Archadis - Destron Air Supremacy Soldier
Ariel Paradron Type - Cybertron
Armordillo - Maximal Desert Combat
Armorhide - Decepticon
Armorhide (Wal*Mart) - Decepticon
Armorhide (Transformers: Universe) - Decepticon
Armorhide - Mini-Con
Armorhide - Autobot
Artfire - Cybertron Sniper
Artfire (Clear) - Cybertron Ninja Chieftain
Art Fire (Super) - Cybertron
Art Fire (Clear Super) - Cybertron
Ascentor - Autobot Mini-Con
Astroscope - Mini-Con
Astroscope (Energon) - Mini-Con
Astrotrain - Decepticon Military Transport
Astrotrain - Decepticon #38
Astrotrain (Anime) - Destron Military Transport
Atlan - Cybertron
Atlan (Reissue) - Cybertron
Atlan (Red Mode) - Cybertron
Atlas - Micron
Auto (Overdrive Edition) - Micron
Autobot - Autobot
Autocrusher - Destron Land Guard
Autojetter - Destron Aerial Guard
Autolauncher - Destron Shock Troop Guard
Autostinger - Destron Guard Captain
Ax (Panther) - Animorph
Ax (Scorpion) - Animorph
Axer - Decepticon Bounty Hunter
Axer (Robots In Disguise) - Decepticon Interceptor