Ulma - Micron
Ultra Magnus - Autobot City Commander
Ultra Magnus (G2 Watch) - Autobot
Ultra Magnus (Matrix Glow) - Autobot City Commander
Ultra Magnus (Movie Prevew) - Autobot City Commander
Ultra Magnus (SCF Clear) - Cybertron
Ultra Magnus (SCF Act 4) - Cybertron
Ultra Magnus (SCF Pewter) - Cybertron
Ultra Magnus (Heroes of Cybertron) - Autobot
Ultra Magnus (Battle In A Box) - Autobot
Ultra Magnus (Masterpiece) - Cybertron City Commander
Ultra Magnus (Classics) - Autobot
Ultra Magnus (E-Hobby) - Cybertron Battle Commander
Ultra Magnus (Robot Heroes) - Autobot
Ultra Magnus (Titanium War Within) - Autobot
Ultra Magnus (Titanium) - Autobot
Ultra Magnus (Revoltech) - Cybertron
Ultra Magnus (Botcon 2012) - Autobot Usurper Warlord
Ultra Magnus (Family Dollar) - Autobot
Ultra Magnus (Combiner Wars) - Autobot
Ultra Magnus (RiD) - Autobot Leader
Ultra Magnus (Spy Changer) - Autobot
Ultra Magnus (Transformers: Universe) - Autobot
Ultra Magnus (TF:U Spychanger) - Autobot
Ultra Magnus (Energon) - Autobot
Ultra Magnus (Cybertron, CostCo) - Autobot
Ultra Magnus (Animated) - Autobot Elite Commander
Ultra Magnus (Roadbuster) - Autobot Ground Commander
Ultra Magnus (Cyberverse Commander) - Autobot Heavy Munitions
Ultra Magnus (Prime) - Autobot
Ultra Magnus (Fall of Cybertron) - Autobot
Ultra Magnus (Beast Hunters) - Autobot
Ultra Magnus (Platinum Edition) - Autobot
Ultra Magnus (Cyberverse Beast Hunters) - Autobot Heavy Munitions
Ultra Magnus (Class of 1984) - Autobot Teacher's Pet
Ultra Magnus Bird - Autobird
Ultra Mammoth - Maximal Commander
Ultra Prime - Autobot
Under-3 - Maximal
Underbite (One Step Changer) - Decepticon
Underbite (Tiny Titans) - Decepticon
Underbite (Clash of the Transformers) - Decepticon
Undermine - Decepticon
Undertone (Scorch Strike) - Autobot
Undertow - Decepticon
Unicron - Chaos Bringer
Unicron (Energon) - Chaos Bringer
Unicron (McDonald's) - Chaos Bringer
Unicron (Cybertron) - Chaos Bringer
Unicron (Titanium) - Chaos Bringer
Unicron (Robot Heroes) - Chaos Bringer
Unicron (Generations) - Decepticon
Unicron (United) - Universal Dominator
Unit-3 - Maximal