The character of Doctor Wily works because Capcom got the formula right for the start and hasn’t really messed with it much since. It’s the exact same reason Ganon/Ganondorf, from The Legend of Zelda series, and Bowser, from the Super Mario Bros. series, work too. Sure, there have been some slight deviations along the way or additional lore included, but the formula is pretty much the same. For better or for worse these are tried-and-true gaming villains that have proven themselves time and time again. Good job guys! Here’s hoping your evil plans continue to be foiled for generations to come.