Mark Morgan

Mark Morgan is a major antagonist in the original G1 Transformers. He is Jessica's father and a corrupt scientist who hates Transformers regardless of faction and serves as one of the main antagonists of the two-part season finale of Season 3 "The Return of Optimus Prime".

Generation One

Autobots
Optimus Prime • Bumblebee • Ironhide • Jazz • Hound • Arcee • Wheeljack • Ratchet • Prowl • Sideswipe • Sunstreaker • Blurr • Mirage • Skids • Hoist • Tracks • Windcharger • Blaster (Steeljaw • Ramhorn • Eject • Rewind) • Red Alert • Smokescreen • Trailbreaker • Bluestreak • Beachcomber • Inferno • Huffer • Rodimus Prime • Grapple • Ultra Magnus , Flareup • Skyfire • Sky Lynx • Cliffjumper • Kup • Brawn • Tailgate • Gears • Outback • Metroplex • Sandstorm • Cosmos • Omega Supreme • Perceptor • Springer • Broadside • SeaSpray • Pipes • Warpath • Wheelie • Wreck-Gar • Sentinel Prime • Alpha Trion • Elita-One • Chromia • Firestar • Moonracer • Dinobots (Grimlock • Slag • Sludge • Snarl • Swoop ) • Aerialbots (Silverbolt • Fireflight • Slingshot • Skydive • Air Raid • Superion) • Protectobots (Hot Spot • Groove • First Aid • Blades • Streetwise) • Technobots (Scattershot • Lightspeed • Strafe • Nosecone • Afterburner) • Throttlebots (Rollbar • Wideload • Chase • Searchlight • Freeway) • Headmasters (Fortress Maximus • Highbrow • Chromedome • Hardhead • Brainstorm) • Targetmasters (Pointblank • Crosshairs • Sureshot) •

Humans
Spike Witwicky • Daniel Witwicky • Carly Witwicky • Sparkplug Witwicky • Chip Chase • Raoul • Astoria Carlton-Ritz • Marissa Faireborn • Buster Witwicky • Jesse • G.B Blackrock • Joy Meadows • Susan Hoffman • Cindy Newell

Decepticons
Megatron/Galvatron • Soundwave • Shockwave • Reflector • Blitzwing • Astrotrain • Straxus • Cyclonus • Scourge • Sweeps • Octane • Trypticon • "Megatron" • Runabout & Runamuck
Seekers: Starscream • Thundercracker • Skywarp • Acid Storm • Sunstorm • Thrust • Dirge • Ramjet
Mini-Cassettes: Laserbeak • Ratbat • Frenzy • Rumble • Ravage • Buzzsaw • Slugfest • Overkill
Insecticons: Shrapnel • Bombshell • Kickback
Constructicons: Scrapper • Long Haul • Bonecrusher • Mixmaster • Scavenger • Hook • Devastator
Stunticons: Motormaster • Breakdown • Drag Strip • Wildrider • Dead End • Menasor
Combaticons: Onslaught • Brawl • Vortex • Swindle • Blast Off • Bruticus
Predacons: Razorclaw • Rampage • Divebomb • Tantrum • Headstrong • Predaking
Terrorcons: Hun-Gurr • Blot • Cutthroat • Rippersnapper • Sinnertwin • Abominus
Headmasters: Scorponok • Weirdwolf • Skullcruncher • Mindwipe • Apeface • Snapdragon • Fangry
Targetmasters: Misfire • Triggerhappy • Slugslinger • Spinister • Needlenose • Quake
Seacons: Snap Trap
Pretenders: Skullgrin • Bomb-Burst • Iguanus • Finback • Carnivac • Snarler • Stranglehold • Octopunch • Thunderwing
Duocons: Battletrap
Powermasters: Dreadwind • Darkwing
Triggercons: Ruckus • Windsweeper
Micromasters: Whisper • Blackjack
Action Masters: Krok

Hive
Lord Zarak • Vorath • Grax • Monzo • Spasma • Krunk • Aimless • Blowpipe • Caliburst

Others
Unicron • Quintessons • Doctor Arkeville • Shawn Berger • Lord Chumley • King Nergill • Ali • Nightbird • Jero • Old Snake • Victor Drath • Primacron • Tornedron • Dweller • Mark Morgan • Gregory Swofford • Circuit Breaker • The Mechanic • Scraplets • Flame • Mecannibals