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|“||You guys are SO immature!||”|
Melvinborg is one of the main antagonists in the second season of The Epic Tales of Captain Underpants. He is the future version of Melvin Sneedly and the former principal of Jerome Horwitz Elementary School.
Melvinborg heavily resembles an adult-shaped version of his younger self, wearing a similar outfit and glasses (except for his left pant leg, which is long rather than short). Aside from age, size and voice, his biggest difference is that the right side of his body is completely robotic.
As Vil Endenemys, he is overweight and has a brown mustache, brown hair, a red sweater, a dark yellow jacket, dark brown shoes, and dark brown pants.
Before George and Harold sent Butt-erflies to the future, he looked near identical to his current self, though without the robot half of his body.
Melvin retains the arrogance of his younger self and serves as a mentor to present day Melvin, though in the worst way possible. He is also more diabolical, causing present Melvin to betray him due to the shock that he left his George and Harold to perish.
Melvin runs the school and makes a scoreboard showing Melvin is #1, but George and Harold win the Horatio Dump trophy and Melvin falls into #3. Later, Melvinborg makes a final exam, copying traps from George and Harold's comic. Melvin gets powers from Nanobots, but Erica wins. Then the nanobots transfer to Captain Underpants's brain. Melvin then decides that Melvinborg is too cruel and becomes someone else, therefore, he never existed.