Is called Infant Annihilator, and they just released their album last night. You can listen to the whole thing here:
Here is a music video:
And here is their gangnam style metal version (which is gnarly):
Don't let the name throw you off, unless you are some uppity religious crybaby saying, "oooh the lord wouldn't want me to bang my head to this devil music." In which case, you do not deserve such delicious metal.