Cybertronian

The Cybertronians (more commonly known to the Human race as Transformers) are a species of autonomous robotic life forms originating from the artificial planetoid Cybertron.

Anatomy
Cybertronians are a machine race that carries a "spark" inside their bodies. As long as this spark endures and remains intact, the Cybertronian can be rebuilt, no matter how much damage the unit has sustained. If the spark is extinguished or otherwise destroyed in some way, the Cybertronian cannot be rebuilt and remains permanently dead.

Ecology
Cybertronians primarily consume a rare substance called Energon, which serves as both a fuel and their "life force". In its raw form, Energon is actually harmful to them, although not to organic life. In its processed form, Energon is essential to a Cybertronian's survival.

Powers and abilities
A Cybertronian's primary ability is the "art" of transformation, in which they assume an alternate mode that grants them increased mobility. Alternate modes can also be used for stealth, as they can disguise themselves as unassuming machinery. With the necessary equipment, Cybertronians can alter their appearance by scanning different vehicles. Technically speaking, nearly all Cybertronians possess this ability.

Because they do not need to breathe, Cybertronians can survive underwater and in the vacuum of space.

Cybertronians possess superhuman strength while in robot mode and superhuman speed while in vehicle mode. Nevertheless, they possess enhanced agility and reflexes in both modes.

A Cybertronian's body has natural armor made from a special alloy that allows them to withstand most conventional attacks and certain alien technologies.

Cybertronians have a limited self-repair system to fix minor damage.

Because they are not exactly natural lifeforms, Cybertronians do not have a natural predator. For example, Archa Seven Arachnids are not considered a natural predator to Cybetronians.

Weaknesses
Not all Cybertronians can transform, as those predating the Second Cybertronian Civil War may not have this ability. There is also a limit to what kind of alternate modes a Cybertronian can assume, as they cannot assume a form larger than their robot mode.

Cybertronians are vulnerable to unnatural diseases and "uberpredators" such as Unicron, Primacron, and Cosmic Rust.

Cybertronians from the Malgus Cluster are unable to safely become a triple or six changer because adopting multiple alternate modes would strain their bodies to the point of affecting their mental state, as demonstrated with Blitzwing.

Cybertronians are vulnerable to magic and other exotic forms of power. Similarly, they can be affected by reality manipulations.

Cybertronians are vulnerable to being controlled by parasitic life forms.

Cybertronians are sensitive to electromagnetic projections. They can also be either disabled or restrained by Cybertronian stasis cuffs.

There is a limit to a Cybertronian's durability, as their armor is vulnerable to the most extreme temperatures. As such, this armor can be damaged or breached with either sufficient pressure or special materials and weapons. Similarly, their internal workings and other functions are vulnerable to being hacked, damaged, or overloaded.

Custom-forged and augmented Cybertronians can have trouble fighting against sufficiently powerful opponents and forces, indicating a limit to their physical strength.

Cybertronians can be immobilized or hampered in both vehicle mode and robot mode if they receive severe damage to either of their forms.

Despite being machines, Cybertronians are still susceptible to exhaustion. Similarly, if they either receive enough damage or go too long without refueling, they will shut down and possibly enter stasis lock.

Culture and society
Throughout the multiverse, Cybertronians are divided into multiple factions, most commonly the Autobots and Decepticons. In many timelines, the Autobots are succeeded by the Maximals whereas the Decepticons are succeeded by the Predacons and later Vehicons.

Technology
Cybertronian technology has developed to the point where they can convert most forms of energy into Energon.

Religion
It is a common belief amongst the Maximals that their sparks are either part of or fragments of Primus, the mythical creator of the Cybertronian race.

History
The "art" of transformation was first developed during the Second Cybertronian Civil War, the first war fought between the Autobots and Decepticons.