Post down your most frustrating boss experiences you've had
Here's mine:
Good ol' Wizpig from Diddy Kong Racing. Even to this day I still have yet to beat this boss because he's insanely difficult to beat. Wizpig, what I'm assuming, was a boss that was meant to be impossible to beat, but thanks to one of the Nintendo magazines, it was finally revealed how to beat him.
UPDATE 04/03/2016: Finally beat that motherloving hog.
SPOILER ALERT: The text below contains spoilers on how to beat Wizpig.So all you have to do is to go up to one of the boosters, and right before it boosts you, let go of the gas button. It's that simple. Keep on doing that and you should've finally beat him..... Or maybe you'll end up like me never being able to get to the very last world.