In Games of Deception the Graviton follows Bludgeon's agent Bugbite and several Decepticons to Earth where the Autobots join up with Grimlock.

According to his bio, Snarl is an Autobot of few words and fewer opinions, Snarl grudgingly follows the orders of Dinobot leader Grimlock and leaves the thinking to others.

It is hard to imagine that personalities like the powerful Heavy Load ( Build Typhoon ), the alert, seasoned Hightower ( Build Cyclone ) and the calm, rational Grimlock ( Build Hurricane ) could be led by such a young hothead as Wedge ( Build Boy ), but his compassion and caring for his teammates mean that they respect and stick by him.

Grimlock can be cold, merciless and contemptuous of those he considers beneath him, such as human beings, and at times, even Autobot leader Optimus Prime himself, who Grimlock would gladly supplant as Autobot leader if he were able to, giving him a superiority complex as indicated by his Generation 1 tech specs.

One of his most distinguishing features is his famous speech impediment, which leads him to shorten sentences and refer to himself constantly as " Me Grimlock ", never " I " ( e. g.

")-the reason for this varies from depiction to depiction, with some making it the result of true mental limitations, and others vocal processor damage or a ruse Grimlock perpetrates to allow others to think of him as less intelligent than he actually is.

This proved to be the last straw for the Autobots under Grimlock's command, who collectively conspired to overthrow him, arranging for Blaster to challenge Grimlock for leadership.

The author of these stories, Simon Furman, was particularly fond of Grimlock, often using him for his original stories, and even using the character for responses on the readers ' letters page.

Grimlock followed him, and they fell into a lost chamber where Quintessons banished their criminals to other dimensions.

The assistant had assembled these " Primitive " Transformers in the hope that their simple instincts could defeat Primacron's newest creation, Tornedron, but one by one they fell to him, with Grimlock apparently crushed under Trypticon.

When Tornedron turned on his master, like his predecessor, Primacron's complicated plans and equations could not find a way to stop him ; Grimlock, on the other hand, randomly flicked a switch which reversed Tornedron's energy polarity, undoing the damage the now dissipating Tornedron had done.

Grimlock followed him, and they fell into a lost chamber where Quintessons banished their criminals to other dimensions.

He was also mentioned in " Grimlock's New Brain ", when Grimlock told the other Dinobots that Omega was away on a mission, forcing him to build a shuttle to investigate Unicron's head.

He is subsequently attacked by both the Combaticons and the Protectobots, who had been sent by Grimlock to arrest him.

Magmatron aimed to send him back to Cybertron, but due to the intervention of Razorbeast, Optimus Minor and Grimlock, Magmatron was sent back to Cybertron instead.

In " Human Error " ( part 2 ), Grimlock and Swoop appear when a teenaged Sari asks for their help to rescue the Autobots from Soundwave, who wants to reprogram them into serving him.

Grimlock is playable, and Swoop, Sludge, Slug, and Snarl appear alongside with him.

With the elimination of so many of Prime's lieutenants ( such as Prowl, Jazz and Grimlock ), Kup was promoted to Security Chief, providing the voice of experience when Prime's self-doubt threatened to overwhelm him.

Scorponok approached him with the offer of an alliance, in the hopes Grimlock would distract the Decepticons long enough for his own Machination empire to become entrenched.

Grimlock refused and attacked, but Scorponok's new Headmaster powers allowed him to overwhelm the Dynobot.

Grimlock in particular bore a fierce grudge against him for an unspecified incident involving a mind-controlling cerebro-shell, and was perfectly ready to believe that he had betrayed the Autobots when he arranged a meeting with current Decepticon leader Shockwave.

: A printing error on the back of the Classic Grimlock box used Jetfire's picture as one of his co-sells, but listed him as the Decepticon Astrotrain.

Ratchet also restored Grimlock, Jazz, and Bumblebee, as Megatron tasked him to create Decepticon Pretenders.

In 2007, USA Today polled people as to which Transformer they want to appear in the next Transformers film ; Grimlock came in tied for second with Devastator.

Although Wheeljack thought this would impress Grimlock by reducing their dependence on human help, Grimlock seemed to think the Autobots should just take what they need from the humans.

Set in and around the U. S. stories, Grimlock and the Dinobots were the stars of several stories while self-exiled from the other Autobots, including In The National Interest where they tried to help expose the Robo-Master hoax.

Unfortunately, their design specs proved to be a little too accurate to the creatures they were modeled on, as their primitive brains went out of control, and Grimlock almost destroyed Teletraan I, before the trio was stopped.

Grimlock instead opted to lead the Dinobots to Cybertron itself, where they were captured by Shockwave and put to work in the Cybertonium mines, until Spike and Carly rescued them.

Combined as Computron, the Technobots felt they could not match the Terrorcons, until Grimlock transferred his super-intelligence into Computron, reverting to his old self and allowing the Technobots to claim victory.

When he ran into the Autobot platoon under Optimus and Grimlock, he captured them alive with intent to convince them to join the Empire, and when they rebelled he pursued them with intent to destroy.

However, Grimlock, anticipating possible defeat, programmed their ship to fire upon their location if they did not return, burying them all in lava, until a human archeology team discovered them many years later.

There, they are attacked by Grimlock and the Ark.

Megatron no longer has complete control over them, but is able to persuade Grimlock, Snarl and Swoop into destroying the Autobots and all fossil fuel-powered vehicles, after which they are trapped and imprisoned in a tar pit.

He tracked the Autobots under Fortress Maximus when they set out to unite with those under Grimlock and launched an all-out attack that resulted in huge casualties, leaving the Autobots briefly stranded on the Moon, and retrieved several Decepticon prisoners of war.

Attacking a meeting between Jetfire and Shockwave, hypnotizing the former and incapacitating the latter, they were then beaten by Grimlock, who arrived because he believed that Jetfire was betraying them.

Although Wheeljack thought this would impress Grimlock by reducing their dependence on human help, Grimlock seemed to think the Autobots should just take what they need from the humans.

Skywarp and Thundercracker launched an attack against the city of Altihex, where they killed the Autobot named Overhaul and routed Grimlock and his group of Autobots.

Transformers were no longer as simple as they were in his day-surrounded by Pretenders, Headmasters, Micromasters, Powermasters and more, Prowl and his fellow old-schoolers longed for the old days, and when Grimlock suggested the creation of a proactive Earth-based Autobot force, they were quick to volunteer to join, that they might recapture some of their glory days in a simpler conflict than what the larger war had become.

Grimlock got the final laugh, as the Dynobot ship fired a pre-programmed blast into the surrounding volcanoes to unleash a flow of lava that engulfs all six Transformers until they were uncovered by human paleontologists in 2006.

The Constructicons merged into Devastator to stop the Autobots from gaining an energy source the Decepticons were attempting to find, but were defeated by Grimlock.

Thus, it reconstructed Grimlock and his troops into dinosaur forms, in order to battle Shockwave.

Grimlock developed into a tyrannical ruler who led the Autobots with an iron fist.

Realizing that Grimlock had become trapped in a " chrysalis " stage, Prime's Powermaster partner, Hi-Q, tapped into and accelerated the process, completing Grimlock's evolution into a more powerful " Actionmaster " – but the enhanced power came with a price: Grimlock was now no longer able to transform into dinosaur mode.

Furman truly transformed Grimlock, from the brutish tyrant of the early American comics into a noble anti-hero.

When Soundwave read his mind and learned of this animosity, Megatron was able to trick Grimlock and the Dinobots into switching sides, attacking and capturing Optimus Prime.

Ultimately, it was when Optimus Prime threw himself into harm's way to save Grimlock from an explosion that he accepted his mistake and rejoined the Autobots.

Although content for the moment to remain a soldier, rather than a leader, Grimlock still had trouble accepting orders, only agreeing to help stem the tide of natural disasters ravaging Earth due to Cybertron being pulled into its orbit when he realized he would die if he did not.

Grimlock and the Dinobots were semi-regularly called into action when the Autobots were faced with challenges that required extra strength, such as the Sub-Atlantican invasion of Washington, D. C., or the Decepticons ' control of the TORQ III supercomputer ; with every piece of help he and his troops gave, Grimlock was never slow to add a scathing remark about the inabilities of the Autobots.

In the Japanese manga " Big War " # 2, the Autobots Rodimus Prime, Grimlock, Kup and Wheelie, along with their human allies Spike Witwicky and Daniel Witwicky send Computron into battle against Galvatron's new warrior combiner Abominus.

The modern Transformers ' first encounter with the Quintessons came in the Earth year 2005 ( during the events of The Transformers: The Movie ), when Hot Rod, Kup and the Dinobots were stranded on the planet and faced Quintesson justice, only able to escape when Grimlock intimidated the Sharkticons into revolting, and Wheelie led the marooned Autobots to a Quintesson ship to allow them to get off the planet.

In the Dreamwave More Than Meets the Eye guidebook series, the term Transmetal was expanded to include any Transformer with a metallic animal-themed alternate mode-for example the Dinobot leader Grimlock turned into a Transmetal Tyrannosaurus.

However, Grimlock accidentally figures out how to transform into robot mode, to the surprise of the other two Dinobots.