This figure suffers from a design flaw, in that his knee joint pegs are slightly too big for their sockets, and that the resulting connection is so tight that it makes the sockets form stress marks and eventually crack, or even cracking during assembly. The problem can be remedied by simply sanding down the pegs prior to sliding the legs onto the peg.
He’s continued to be lovable through many different continuities, all the way to the current live-action film series. But as much as you love him, there may be a few things you don’t know about him. So let’s take a look at some of his strange real-world facts, storyline goofiness, pop-culture tie-ins and even his relationship to Back to the Future.

Armada Built to Rule Optimus Prime transforms into a fair approximation of his vehicle mode, but the robot mode is quite inaccurate, due to the very broad, flat Trans-Skeleton with thin, stick-like limbs attached to it. The set came with a very simplistic "Mini-Con" Sparkplug partner kit that did have a more dedicated "Powerlinx" connector than the standard construction pegs, though these are a bit too thin to be used as attachment points for regular Mini-Cons (they stay, sort of, but it's a very loose connection). The 101-piece set also features pressure-launch missile-firing "smokestack" cannons.


For reasons unknown, his ion blaster was sculpted with a large, rectangular handle, requiring accommodating fists. In order to make use of the other weapons in the line (like his own rocket launcher and the solitarium weapons), he comes with an extra pair of replacement fists with smaller, circular peg-holes. This replacement-fist method is also used to plug in his clear-plastic energy axe.


An extremely simplified version of Optimus Prime, this McDonald's Happy Meal toy transforms into a trailer-less truck cab. He is formed out of a large percentage of translucent plastic, and can combine with the other Happy Meal Armada toys (Hot Shot, Red Alert, and Smokescreen) into a human (well, robot) pyramid-style configuration, notionally considered a "Mighty Robot".
Optimus Prime comes with many accessories in addition to the aforementioned Matrix, including the character's traditional laser rifle, now termed (and henceforth known as) an ion blaster. The initial release of the figure cast the ion blaster in grey plastic, but later assortments recast it in its more familiar black coloration. Other accessories include a transparent orange energon-axe that plugs into either wrist when Prime's fist is retracted, and even a non-transforming gun mode Megatron weapon, with removable stock, silencer and scope accessories, in homage to several instances in the Generation 1 cartoon when Prime was forced to wield his enemy. Pack-in bonuses that came with the figure included an inner cardboard tray illustrated to resemble the interior of Prime's Combat Deck, and in later releases, a small poster drawn by Pat Lee.
Optimus Prime would also be a major character in Devil's Due Publishing's various G.I. Joe meets the Transformers series. Devil's Due Publishing does not address Prime's early years, save that he survived an assassination attempt by Bludgeon soon after receiving the Matrix. The traditional Ark storyline left the transformers crashed on Earth. In this series, instead of being reactivated by the Ark, the transformers and the ark were discovered by the terrorist organization called Cobra. The transformers inside were reformatted into Cobra vehicles, remotely controlled by the Televipers. Prime was turned into a Cobra Sentry Missile System tank, which was a 1985 Sears store exclusive red repaint of the HISS tank.[14] After an attack on a U.N. summit in Washington D.C., Optimus was able to get a message to Wheeljack, alerting G.I. Joe to where the Cobra base was hidden. Subsequently, he and the other captive Autobots and Decepticons broke free. After the ensuing battle, Optimus fought and defeated his enemy Megatron. After Megatron's defeat, the transformers returned to Cybertron in a second Ark Class vessel, but not before giving their human allies the ability to build and use mecha based on Transformers technology.
A Toys "R" Us exclusive, the U.S. release of Masterpiece Rodimus Convoy by Hasbro does not come with the detachable trailer, but is offered with his Targetmaster partner Offshoot (renamed from Firebolt due to trademark issues) and a remold of Optimus Prime's Matrix of Leadership, which does not fit in his chest. Like the Takara Tomy version, a smaller Matrix that fits in his chest is included. While the Japanese version is based on the animation design, the Hasbro redeco bears a closer resemblance to the original G1 toy. Parts of the figure's legs have been re-engineered after owners of the Japanese version complained that the hinges of the leg armor easily broke off. Masterpiece Rodimus Prime was first offered at the 2011 San Diego Comic-Con International.
Transformers: War for Cybertron was released in June 2010 for the PlayStation 3, Xbox 360, and Nintendo DS. The game takes on Cybertron during the Great War between the Autobots, led first by Zeta Prime and then Optimus Prime, and the Decepticons, led by Megatron. Transformers: Cybertron Adventures was released alongside War For Cybertron for the Wii and utilizes the same characters and setting.
An undocumented aspect of his transformation is that his gun, which splits in two halves and secrets inside his kibble when transforming (much like Rattrap's) has two handle pegs on opposite sides, so that it can be held either at its far end or halfway along its length. The former position makes the weapon look (charitably) more like his traditional ion blaster—or Ultra Magnus' rifle. Additionally, the gun halves can be plugged together in two different ways, theoretically allowing you to create an infinitely long weapon (or at least one of ridiculous proportions).
This reissue of the original Generation 2 Laser Optimus Prime figure was made using the modified version of the mold created for Robots in Disguise Scourge, lacking the sculpted Generation 2 Autobot insignias on the disks featured on the original. It sported a modified deco, with the flat grey plastic on both the trailer and Prime's chest now replaced with silver chrome; additionally, new Autobot symbol tampographs were added to the doors of Prime's cab mode and the front end of his trailer, and a pair of new chest-window stickers featuring an illustration of the Matrix of Leadership replaced the original decals.
In robot mode, like Combat Hero Prime, the bottom of the truck became his familiar windowed chest based upon the original Optimus Prime toy. His main gimmick was light up LED headlights, and a lightpipe in the bottom of his right fist, illuminated by an LED in his right forearm, that would illuminate his clear sword or his double-barreled rifle if they were used in that hand. All three LEDs were activated simultaneously by pressing the sunroof-like depression on the roof of the truck.
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