In the Marvel comic continuity, it was established that the Decepticons came in and out of the gladiator pits on Cybertron.

Appointed leader of the new " Decepticons ", they quickly established themselves as a force to be reckoned with.

In the game his character adheres much to his G1 behavior and established history as a friend of Jetfire who joins the Decepticons with desires of usurping Megatron when the time is right.

A short time later, Shockwave went on to make his return to the pages of the U. S. comic, as he established a small splinter cell of Decepticons, consisting of himself, Starscream, Mindwipe, Triggerhappy, Ravage, Runabout and Runamuck.

The American toyline established that the Headmasters were Autobots and Decepticons who had been partnered and bonded with members of a race of organic beings named Nebulons.

While Fortress Maximus's team joined with the other Earthbound Autobots, Zarak bolstered his forces with the addition of Fangry, Squeezeplay and Horri-Bull, although it was never clearly established where these Decepticons or Nebulans came from.

Returning to Earth, Ravage joined up with Shockwave again, who established a small cell of Decepticons to depose the current Earth-based Decepticon leader, Scorponok.

In order to end the Great War ( shown in the series debut as ' historical ' clips from the 1984 G1 series ), the Autobots cast the AllSpark into a space bridge network gate to a random destination somewhere in the galaxy, thereby preventing the Decepticons from getting it.

In 1999, an Autobot / human military alliance succeeded in capturing and deactivating the Decepticons.

In addition to the Decepticons, the Autobots have to face the human villains as well.

The Decepticons return in Transformers: Dark of the Moon with the plan to use a Space Bridge to bring an army to Earth and transport Cybertron into orbit to rebuild the planet with Earth's natural resources and human population as slaves.

After a human collaborator named Alexi Voshkod leads NEST to Chernobyl where they retrieve an engine part from the Ark, the Decepticons reemerge for the first time since Egypt in the form of Shockwave and his Driller who attack, but retreat.

With the army in hand, the Decepticons promise to bring no war against the human population in exchange that the Autobots must leave Earth.

Some of the Decepticons scatter around the world to set up the pillars, but most of the army invades Chicago, devastating the human population and taking over.

Hahn stated that " the video explores how human existence might be affected by the elements of Transformers robots and the threat of the Decepticons.

During the cataclysmic events that ensued when Megatron transported Cybertron into Earth's orbit, Starscream attempted to use the Decepticons ' human ally, Doctor Arkeville, for his own purposes.

The Decepticons could use their help in defeating a human military satellite the Autobots had gained control of and are using to take over the Earth.

Longarm and Salvage are rescuing human workers at an oil plant disaster in Dallian, China when the Decepticons Shockwave and Astrotrain crash to Earth.

Unaware that the rogue human military cyborg Serpentor ( possessing Megatron's memories ) had united the Decepticons from their civil war in the absence of Megatron or Shockwave, the Autobots would be taken by surprise by the Decepticon attack.

Buster was employed as part of an overly complex plan to acquire important data-appointing Buster " king " of the island to publicly dissuade human investigation, the Decepticons operated under the cover of a faux holiday resort while they searched for a sunken pirate vessel, which contained two stasis-locked Autobot messengers sent to Earth thousands of years before, containing information on the coming of the almighty Cybertronian data bank, the Underbase.

Returning to Cybertron, Spike was successfully able to use the power of Fortress Maximus and his own human ingenuity to stop the Decepticons and their plan to destroy the Earth and Cybertron in a supernova, in the process using the excess solar energy to revitalise Cybertron into a new Golden Age.

The central concept of Super-God Masterforce was that it would be human beings, rather than Transformers, who would defend the Earth-their own planet-against the threat posed by the Decepticons.

The Autobots fought off the Decepticons, who escaped, but nothing seemed to please the human feminists.

Longarm and Salvage are rescuing human workers at an oil plant disaster in Dallian, China when the Decepticons Shockwave and Astrotrain crash to Earth.

The Autobots fought off the Decepticons, who escaped, but nothing seemed to please the human feminists.

Eventually, the combined forces of the Autobots on Earth and their human allies were able to capture the Decepticons.

Losing, and attacked by the Micromaster Air Strike Patrol, Scorponok surrendered to Hot Rod – only to manipulate him and his comrades into defending a human settlement from the Decepticons while he escaped.

Unicron's threat, however, had not been ended, as was proven when the Terrorcons ; dissident Decepticons given new powers through Unicron's intermediary agent, Alpha Quintesson ; attacked the AlterEnergy research facility on Earth and Jetfire, now equipped with the Spark of Combination, joined the other Autobots in defending it and its human occupants.

Experimentation soon makes it obvious that Maximus responds to human bio-signatures, leading the Decepticons to attempt to capture Koji ( but accidentally snatching his friend Carl instead ).

As the Autobots mobilize against the new threat alongside their human allies ( including the teenager Kicker ), Alpha Q creates Scorponok to lead the Terrorcons and forges a sword from the Spark of former Decepticon leader Megatron ( whose corpse lies within Unicron ), in order to turn the other Decepticons on Earth to his side.

Eventually the combined forces of the Autobots on Earth, and their human allies were able to capture the Decepticons.

Megatron and the Decepticons were the ones who developed transformation first, using it to begin the war against the Autobots, who fought back by mimicking the technology.

The Transformers comics printed by Devil's Due Publishing, Megatron was again among the Decepticons who crashed on in the Ark on Earth, but this time the Ark was discovered by the terrorist group Cobra, who reformatted the Autobots and Decepticons into weapons and vehicles for themselves called Battle Android Troopers controlled by the Televipers.

Soundwave helped him in recovering the body of Astrotrain, who was then used to help locate the placement of other fallen Decepticons around the globe.

Returning to the Ark the Decepticons fall under the sway of Bugbite, who is using cerebro shells he stole from the Insecticon Bombshell.

And thus, the Autobots effectively won the war, with the large army of Binaltech Autobots outnumbering the few remaining functional Decepticons who had obtained Binaltech bodies.

The Combaticons that formed Bruticus were the first of the Decepticons to be introduced into the show along with Scourge, who as a toy was a black repaint of G2 Laser Prime.

These Decepticons who left their homeworld became " The Second Generation " Decepticons, who were led by the villainous Liege Maximo.

Megatron turned on Pax and fatally injured him, but the ancient Autobot, Alpha Trion, then rebuilt Pax into the first of a new, battle-hardy breed of Autobot-now, he was Optimus Prime, leader of the Autobots, who led them against Megatron and the Decepticons as the civil war erupted once more.

In Transformers: Revenge of the Fallen it is revealed that The Fallen, a Prime who turned evil, is the First leader and founder of the Decepticons, which would seem to imply the Decepticons were originally Autobots who turned evil.

After the death of Cliffjumper, the Autobots fight to protect the Earth from the Decepticons and befriend three young humans and the returned Megatron who has been missing for three Earth years.

Although they vary from depiction to depiction, they are usually Decepticons who turn into construction vehicles and combine into a larger robot.

He is the team's perfectionist second-in-command, who considers himself far too elite to deal with most of the " ruffians " that call themselves Decepticons.