The Most Annoying Video Game Enemies Of All Time (A DIY blog)

Ever faced off an enemy that you just can't beat, or can beat but are so easy that they just seem like petty annoyances?
I'm sure that almost anybody's who's played video games knows your pain, now broadcast your pain to the world! Email me at Liamguy01@yahoo.ca with the name of your enemy and the game he (or sometimes even she) is from, and I'll find out some info about your enemy and post him on this blog. Feel free to email me more than one!