It seems the feud between Wario and Waluigi will never end as the mobile racerMario Kart Tour pits the two brothers against each other in a new event coming January 25. On your mark. Get set.

If you even moderately pay attention to video games, you have probably seen—and wondered what the fuck is going on with—Waluigi. A gaunt, purple, idiotic-looking shadow of Luigi, you occasionally see ...