This is a list of the names and transformed mode of the Decepticons from the Transformers cartoon series.

Megatron [1913 U.N.C.L.E. Walther P-38]
Skywarp [1974 F-15 Eagle]
Starscream [1975 F-15 Eagle]
Thundercracker [1976 F-15 Eagle]
Soundwave [Microcassette recorder]
Laserbeak [Condor/Cassette Tape]
Shockwave [Laser Cannon]
Reflector [1981 Kodak Camera]
Rumble [Cassette Tape]
Ravage [Panther/Cassette Tape]
Frenzy [Cassette Tape]
Shrapnel [Stag Beetle]
Bombshell [Japanese rhinoceros beetle]
Kickback [Grasshopper]
Hook [1970 Crane Vehicle]
Scrapper [1971 Front End Loader]
Bonecrusher [1972 Bulldozer]
Long Haul [1973 Dump truck]
Scavenger [1974 Excavator]
Mixmaster [1975 Cement Truck]
Devastator [The 6 Constructicons]
Buzzsaw [Bird/Cassette Tape]
Thrust [Vertical Takeoff Jet Fighter]
Ramjet [Jet Fighter]
Blitzwing [Type 74 Tank/MiG-25 Foxbat]
Dirge [Jet Fighter]
Astrotrain [Locomotive/Discovery]
Deceptitran [none]
Motormaster [Kenworth K100 Aerodyne Sleeper Tractor Trailer]
Drag Strip [Tyrrell P34]
Dead End [Porsche 928]
Breakdown [Lamborghini Countach]
Wildrider [Ferrari 308 GTB]
Menasor [The 5 Stunticons]
Brawl [Leopard tank]
Swindle [Willys Jeep]
Blast Off [Space Shuttle]
Vortex [SH-2 Seasprite]
Onslaught [Self-propelled artillery Truck]
Bruticus [The 5 Combaticons]
Ratbat [Bat/Cassette Tape]
Galvatron [Laser Cannon]
Cyclonus [Cybertronian Jet]
Scourge [Cybertronian Hovercraft]
Octane [Boeing 747/Tanker Truck]
Trypticon [Tyrannosaurus rex/Decepticon City/Battle Station]
Tantrum [Bull]
Rampage [Tiger]
Headstrong [Rhinoceros]
Razorclaw [Lion]
Divebomb [Eagle]
Predaking [The 5 Predacons]
Runamuck [Pontiac Trans Am]
Runabout [Lotus Esprit]
Rippersnapper [White Reptilian Monster]
Blot [Blue Monster]
Sinnertwin [Orange Two-Headed Monster]
Cutthroat [Birdlike Monster]
Hun-Grrr [White Two-Headed Monster]
Abominus [The 5 Terrorcons]
Slugfest [Stegosaurus]
Overkill [Tyrannosaurus rex]
Triggerhappy [Jet Fighter]
Weirdwolf [Wolf]
Skullcruncher [Alligator]
Misfire [Jet Fighter]
Mindwipe [Bat]
Apeface [Fighter Jet/Ape]
Snapdragon [Fighter Jet/Tyrannosaurus rex]
Pounce/Wingspan [Puma (Pounce), Hawk (Wingspan)]
Sixshot [Tank/Armored Car/Starship/Laser Pistol/Wolf]
Slugslinger [Jet Fighter]
Scorponok [City/Scorpion]

If something is left out, or incorrect, leave a comment and I'll fix it.

-(list of Autobot Names)