The process only barely succeeded, Megatron was deranged and animalistic, and was ultimately defeated by Optimus Prime and Grimlock.

Grimlock was one of the favorite Autobots of IGN.

Grimlock was voted the 6th top Transformer who was considered to be " badass " in the comics by Topless Robot.

According to X-Entertainment Grimlock was the 2nd top Transformers figure of all time.

After proving his worth by defeating the Decepticon Trypticon, Grimlock was elected leader of the Autobots.

Under Grimlock ’ s leadership, the Ark was repaired and made space-worthy again.

Grimlock and the Dinobots were destroyed during the battle against Starscream while the villain was super-powered by the Underbase.

Grimlock was seen among the Autobots being repaired on the Ark when Optimus Prime sent Landmine and Cloudburst on their mission to obtain computer chips to repair fellow Autobots in issue # 52, " Guess Who The Mechannibals Are Having For Dinner?

After a short time, Grimlock ( along with Jazz and Bumblebee ) was rebuilt by Ratchet as a Pretender.

Grimlock was unwilling to subject his Dinobots to anything he would not go through himself, and thus decided to test the fuel on himself first.

Their arrival, and their reviving the fallen Autobots with Nucleon, was an important part of Transformer victory that day, but Optimus Prime once again lost his life, sacrificing himself to destroy Unicron, and once again naming Grimlock as his successor with his dying breath.

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.

Grimlock was one of the few survivors, and when Optimus Prime returned, recreated by the Last Autobot, Grimlock participated in the rout of the Decepticons.

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.

When leader of the Autobots, Grimlock was involved in assisting Action Force battle Megatron in London and attempted to kill the Predacon Divebomb in order to silence embarrassing facts about Swoop's past.

Tired of Prime's pacifistic approach to protecting Earth, Grimlock was joined by several older Autobots like Prowl and Wheeljack, who had just recently been reactivated, and longed for the older, simpler days.

With his transformation capabilities restored ( the explanation for which was not offered in the American series ), Grimlock was Optimus Prime's second in command in the so called Generation 2 series, aiding in the Autobots ' war against the " second generation " of Cybertronians led by Jhiaxus.

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.

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.

Grimlock was featured in the 1985 Find Your Fate Junior book called Dinobots Strike Back by Casey Todd.

Unlike the wide array of other characters featured in the Beast Wars toy line who shared the names of older original characters but shared no other connection with them ( with the exception of Grimlock and Prowl ), the Predacon known as Ravage was the original Ravage from Megatron's army.

Grimlock, unaware of Megatron's presence in storage, reactivated the Ark's store of Transformers, including Megatron.

Grimlock is the name of several fictional characters in the Transformers universes.

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.

Grimlock is among the strongest of the Transformers, possibly an equal to, or even superior to Optimus Prime and Megatron in certain continuities.

Before Grimlock could celebrate his new position, however, the Nucleon's effect on Transformers became apparent.

The original character profiles ( and the tech specs derived from them ) written by Bob Budiansky and Dan Bobro indicate that Grimlock and the Dinobots were intended to come from Cybertron to Earth like the vast majority of other Transformers.

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.

Grimlock appeared briefly in the Japanese-only 4th season of the Transformers animated series.

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.

* Transformers Animated ( Grimlock )

Two Dinobot figures were released as part of the " Transformers: Energon " toy line: Grimlock and Swoop, who can merge to form the giant robot Mega-Dinobot.

The Dinobots do not appear in the Transformers live-action film, but a video on the Sector 7 website showed Grimlock rampaging through a construction site.

His other roles include Grimlock from The Transformers, Mysterio and Kraven the Hunter from Spider-Man, Agent Kay from Men in Black: The Series, The Gromble from Aaahh !!!

Optimus Prime, Ironhide and Grimlock are the three Autobot figures available to play in the Monopoly Transformers Collectors Edition game.

For BotCon 2011, Hasbro named Waspinator as the " Fans ' Choice " robot inductee in the Transformers Hall of Fame, beating Shockwave, Grimlock, Jazz and Erector.

Jetfire was among the Transformers kidnapped by the ancient Cybertronian called the Fallen, who planned to use the genetic potential in his spark to awaken Primus, but he was freed by Grimlock, putting the grudge to rest.

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.

In the Transformers Spotlight issue on Shockwave, Grimlock and the ' Dynobots ' ( sporting Cybertronian designs much like their War Within designs ) appear in a story that partially homages their Marvel origin.

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.

As part of the Transformers: Energon toyline the Swoop toy – packaged with the similarly-redesigned Grimlock – was a modern updating of his original figure.

Swoop returned in Transformers Animated along with Grimlock and Snarl ( actually a homage to Slag ).

Dinobots leader Grimlock battles Decepticon Shockwave ( Transformers ) | Shockwave.