Character List - The order for now... could be organized better

Small/Cassette Autobot Cassettes, Slam Dance - Cassette Combiner, Decepticon Cassettes, Squawkbox - Cassette Combiner
Regular Dinobots, PM Prime (smaller), Ultra Magnus, Quintesson Judge, Quintesson Prosecutor, Sharkticon
Giant/Combiner Computron, Defensor, Landcross, Omega Sentinel, Omega Supreme, PM Prime (larger), Raiden, Road Caesar, Sky Lynx, Superion, Voltron I, Voltron III, Abominus, Bruticus, Dinoking, Devastator, Liokaiser, Menasor, Monstructor, Piranacon, PM Overlord, Predaking
Titan/Ship Fortress Maximus, Metroplex, Movie Ships, Scorponok, Trypticon, Unicron

Small/Cassette

Autobot Cassettes - Steeljaw, Ramhorn, Rewind, Eject SlamDance (Cassette Combiner) - Raindance (jet) and Grand Slam combine into SlamDance Decepticon Cassettes - Ravage, Laserbeak, Buzzsaw, Ratbat Squawktalk (Cassette Combiner) - Squawktalk (bird) and Beastbox combine into Squawktalk

Regular

Dinobots (Alt modes) - Grimlock, Swoop, Snarl, Slag, Sludge alternate modes. Optimus Prime Trailer Upgrade - Trailer and Powermaster Armor Upgrade for Kreon Optimus Prime Ultra Magnus - Autobot City Commander. Quintesson Judge - Quintesson - 4 Faces of Darkness - Death, Rage, Laughter, Doubt Quintesson Prosecutor - Quintesson Sharkticon (Alt Mode) - Quintesson Foot Soldier

Giant/Combiner

Computron Upgrade - Technobot Combiner Defensor Upgrade - Protectobot Combiner Upgrade Land Cross - Multiforce Combiner Omega Sentinel - Rocket Base/Transport/Guardian Robot Omega Supreme - Rocket Base/Transport/Guardian Robot Powermaster Optimus Prime Upgrade - Autobot Leader with Apex Armor (God Ginrai) Raiden - Trainbot Combiner Road Caesar - Brainmaster Combiner Sky Lynx - Autobot Shuttle/Transport/Dinosaur Superion Upgrade - Aerialbot Combiner Upgrade Custom LEGO Voltron I - Vehicle Force - Custom Voltron Combiner (not really an Autobot) Custom LEGO Voltron III - Lion Force - Custom Voltron Combiner (not really an Autobot) Abominus Upgrade - Terrorcon Combiner Upgrade Bruticus Upgrade - Combaticon Combiner Upgrade Dinoking - Dinoforce Combiner Devastator - Constructicon Combiner Liokaiser - Breastforce Combiner Menasor Upgrade - Stuntacon Combiner Upgrade Monstructor - Monstercon Combiner Piranacon Upgrade - Seacon Combiner Upgrade Overlord - Decepticon Warlord. Separates into tank and jet. Predaking - Predacon combiner

Titan/Ship

Fortress Maximus 2.0 - Autobot City/Battleship/Titan with Headmaster Spike Metroplex 2.0 - Autobot City/Battlestation/Titan with Scamper and Slammer Movie Ships - Ships from Transformers the Movie (1986) Scorponok 2.0 - Decepticon City/Battlestation/Scorpion with Headmaster Lord Zarak Trypticon - Decepticon City/Battlestation/Dinosaur with Full-Tilt and Brunt. Unicron - The Chaos Bringer - World Eater