In law school I had a friend who claimed that he had a real archenemy, superhero-style.
As in, Batman vs. The Joker or Superman vs. Lex Luther.
And he was serious. He said they’d glower at each other every time they had the misfortune of crossing each other’s path, each secretly plotting and scheming terrible things against the other. Not so much violent things, more like things to mind-manipulate or humiliate each other.
Bizarre? Maybe. But I’ll admit that law school tends to foster a little bit of bizarre the way a hot day fosters the desire for a cold beverage. Perhaps par for the course is a better way of putting it.