You want mean? Check out The_Jester's Whisper Demon. Sure, it's homebrew (so that makes it less legitimate in that "It might be broken cuz it's homebrew" sense), but man. I love it, especially when combined with a mad wrath.A Mad Wraith and a couple of hellhounds (with a little bit of help from a wizardy BBEG) wiped out our entire party last session. Mad Wraiths are MEAN.
It would certainly make the barbarian in the party cry.