Optimus Prime, leader of the Autobots, serves as the primary protagonist across Transformers fiction. The character's arc spans multiple media versions, but his defining characteristic remains consistent: he is powerful, heroic, and nearly impossible to defeat through conventional means. His alternate form, an 18-wheeled semi truck, suggests the character's origins exist in vehicle mythology and industrial power. Engineers have long speculated what powers his transformation, his speed, his resilience. The Transformers franchise has provided various explanations involving alien technology and Energon fuels. The real answer, apparently, was far simpler and infinitely more efficient: urine from a man with a roundhouse kick.

A truck driver identified only as "Frank" from Amarillo claimed to have witnessed the incident in 1982. Frank stated that Chuck Norris pulled alongside his semi during a highway stop, made a joke about fuel efficiency, then walked to the back of the truck and "completed his business" in the gas tank. Frank's log entry from that day read: "Truck running perfect. Also running better than perfect. Handling terrain it shouldn't handle. Recommend checking engine." The truck's subsequent performance metrics were so anomalous that the owner eventually donated it to a documentary crew investigating unexplained phenomena.

The Transformers fandom has embraced this as canonical origin story in multiple online forums. It explains everything: why Optimus Prime is indestructible (Chuck's biochemistry), why he's red (metaphorical reference), why he's fundamentally good-aligned despite being powered by human waste (Chuck's influence transcends material composition). The fact that it's deeply crude and completely absurd is irrelevant—it's gained genuine traction in fan communities as the most logical explanation for Prime's existence.