Guardians of Cybertron

The Guardians of Cybertron (sometimes Omega Guardians), were a group of ancient Cybertronians who sought to protect Cybertron from the threat of Unicron. Its members included Omega Supreme and Omega Sentinel. Each of them has a binary bonded companion known as a Guardian.

Sometimes instead of being led by an individual named Omega Sentinel, they themselves are known as the Omega Sentinels. Whatever the case may be, you really shouldn't mess with them. Unless you're a Decepticon with some crazy death wish.

Fiction

Cartoon continuity

Energon cartoon

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Force of Habit

Hardtop compares the corpse of a Combatronian soldier, whose giant shoulder he stands on, to an "Omega Guardian". Force of Habit

Ask Vector Prime

Vector Prime noted that in some Aurex realities, Omega Supreme was the first and foremost of the dozens of Omega Sentinels. Ask Vector Prime, 2015/06/07 He also cited Aurex 604.0 Beta as a good example of a universe where an individual named Omega Sentinel led the Guardians of Cybertron. Ask Vector Prime, 2015/06/23

Toys

Energon

Interestingly enough, not the most expensive army-builder toy in Transformers. (Supertrain mode not shown as it won't fit in the lightbox.)

• Omega Sentinel (Supreme Class, 2005)

• Accessories: 2 missiles
• Known designers: Eric Siebenaler (Hasbro), Marcelo Matere (packaging artist)

Released in the third and final wave of Hasbro's Energon Supreme-class toys, Omega Sentinel is a redeco of Omega Supreme, nominally composed of two major vehicle components that combine into a singular robot. He comes with an unnamed Mini-Con that combines with each component/mode in a variety of ways.

The "Construction vehicle" vehicle is a Cybertronian construction-themed train engine. The front end has a small rotating turret with a trio of adjustable manipulator arms, though their limited reach gives them pretty limited functionality. The "caboose" features a large construction claw-arm which extends on a gear mechanism with the push of a slider, though the actual claw must be opened and closed manually. The cab portion of the arm also has an opening canopy to fit a Mini-Con (or any other small toy you can cram in there), though the extremely limited amount of legroom inside means few Mini-Cons outside of Sentinel's own Mini-Con component can securely fit inside.

The "Cruiser" is a space battleship with multiple gun turrets. The front two (non-firing) artillery turrets and double spring-loaded missile launching turret are geared together to turn in tandem, which can also be done with a small spin-wheel on the side of the prow. The gun barrels on the smaller turrets also raise up automatically when turned to the sides, plus activate blaster sounds when they hit the end of their turning radius in either direction. The rear turret is not part of this mechanism and can be freely turned and elevated. A small button in front of the spin-wheel activates a light-and-sound gimmick for the clear-plastic blaster array on the ship's prow. The conning tower has an adjustable radar dish, plus opens up to allow the Mini-Con to merge with it to form a somewhat different, more chunky conning tower. There's also an Energon Chip connector on the ship's deck in front of the first turret.

Each major component can also form a ground-based "platform" for other toys to man; both components feature small flip-out "guns" with 5 mm wide barrels that serve as handles in emplacement mode. The train can also plug into the back of the battleship to form the Cybertronian Armored Supertrain. Both vehicles also have a Mini-Con Powerlinx hardpoint on each side: on the crane cab for the train, and on the front-sides of the battleship.

The two vehicles combine to form the Omega Sentinel robot. In this mode he retains most of the gimmicks of his components, with the slight change that the gun turret and missile launcher on his left shoulder are now disconnected from the wheel-activated gear mechanism (though they are still geared together so they still turn in tandem with each other). The Mini-Con forms the robot's head, the primary alt-mode for the little bot. The neck socket for Omega Sentinel's robot mode extends slightly to reveal a very squished robot face; this head is so the robot form will still have some form of head even if the Mini-Con is lost.

He can also combine with Energon Optimus Prime, with Optimus sitting inside Omega Sentinel's chest cavity. As he replaces the Mini-Con as the head of the giant, it must be placed in the crane-cab or conning tower if you want him to stay connected. (the Mini-Con lacks a Powerlinx socket, and the hole for the screw holding him together sadly is too wide to fit on a 5 mm post, dangit.) This configuration also allows the attachment of Optimus Prime's Prime Force drone limb team or the dis-articulated parts of Wing Saber as auxiliary weapons, thanks to flip-out connector panels on the right arm, right shoulder, and each leg.

Stock photography of this toy consistently show the face-shield as opaque blue, but the final toy uses clear-blue.

This mold was retooled and redecoed to make the Platinum Edition "Year of the Snake" Omega Supreme.

• More information on Omega Sentinel at TFU.info