Kaiketsu Zorori
This anime is about a sneaky fox who wants to be the ultimate prankster but ends up being the biggest idiot in the kingdom with his two pig sidekicks.
Zorori tried to trick the princess but she turned his castle into a pigsty.
He got caught in his own prank and had to wear a pig costume to the royal party.
His plan to win the princess failed so badly it became a national joke.