The arch-enemy of Principal Willaby is Yakko Warner, the founder of Watchmojo. How did they become enemies? Well….

Yakko Warner was born from Linkara's poop. Linkara pooped in the toilet, and his lightbringer powers combined with the poop containing m&m's somehow miraculously managed to form three furry creatures. Linkara saw this and named the three poop babies yakko, wakko, and dot. Wakko and dot didn't live long however, as the quickly deformed into green m&m mush and linkara ate them. Yakko being filled with the most lightbringer energy was what made him able to survive longer than his dumb siblings.

Yakko being raised by linkara, as well as his step uncle the nostalgia critic, turned yakko into a snobby channel awesome critic. Then yakko decided to make a youtube channel. Yakko hired a bunch of hobbos off the street, stole a bunch of money from various charities for his budget, and from there yakko created watchmojo. Watchmojo was made by yakko to spout the most generic opinions possible so everyone would have the same opinions. Yakko used robotic A.I. algorithms to form the top 10 lists and reviews, and used his various hobo workers to read the A.I. generated scripts.

Principal willaby meanwhile had just left his horrible critic-obsessed family and had his own apartment. Willaby watched youtube videos when he saw watchmojo videos. He hated how these videos reminded him of the crazy family he was once raised and abused by. The top 10 lists were so generic and lifeless that willaby swore they were written by A.I. algorithms (which they were). The hobo's voices in the videos made willaby's ears bleed. Then willaby saw a livestream with watchmojo's boss, yakko warner. Yakko demanded the viewers of watchmojo to obey the statements of his videos and obey popular opinion and metacritic scores.

Willaby from then on vowed to destroy watchmojo and the man who created them. Yakko was never going to stop spreading cancerous critic shit on his own terms, so willaby vowed to do that for him.

Years later, in the future of 3022, willaby and yakko were still alive through brain transplants in robots. They were in the same robotic house, and the robot willaby tore the brain out of robot yakko and crushed the brain into mush, killing yakko for good.