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), Road Caesar, Sky Lynx, Superion, Voltron, 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) Road Caesar - Brainmaster Combiner Sky Lynx - Autobot Shuttle/Transport/Dinosaur Superion Upgrade - Aerialbot Combiner Upgrade Custom LEGO Voltron - 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