For me is the Lakitu

I hate you LAKITU

The Helicopter From Shinobi...I HATE YOU HELICOPTER

The ghost fish from Ninja Gaiden.

I hate you GHOST FISH.

the metroid in metroid prime

Those guys in Defender (old arcade game) who would home in on you in a second while making that annoying noise.

metalies in Dragon Warrior
because you spend forever looking for them, then they just f'ing run away the majority of the time.
Metabble's are even worse.

A tornado heading towards your power stations in sim city
I hate you tornadoes

The dragon-bird thing in Magician Lord.

Heck if I remember the name!

Dry Bones from Mario, if i tread on you you should stay dead! I HATE YOU DRY BONES!!!!!


... except in mario kart DS

The enemies in Silent Hill the Room ( the zombies) You can't kill them...hmm sounds logic because they are already dead but still it sucks that they always wake up and run to you :s;