knockout!!

Knockout, in the context of Transformers, refers to a Decepticon character known for his obsession with appearance and his work as a doctor to the Decepticons in the Transformers Prime series. Physically, Knockout is described as a cherry-red, silver, and gold robot with red eyes, standing approximately 6.5 meters tall. He is also known for his vain attitude and his preference for aesthetics over other things, even the well-being of his patients. He is considered relatively short for a Decepticon, but tall compared to an Autobot.
Vanity: He cares a lot about his appearance, keeping his finish shiny,

Knock Out from Transformers Prime is a character known for his vain and self-centered personality, as well as his obsession with his appearance, especially his paint job. Although described as a Decepticon medic, he enjoys dismantling more than repairing and often prioritizes his own safety and appearance over his duties. However, he also displays moments of care and concern for his comrades and can at times be surprisingly loyal, vain, playful, witty, funny, quiet, nosy, gossipy, invades personal space,