who the hell's blastarr?

Inter-dimentional being, kinda looks like a cross between an ape and a werewolf wearing spandex sleeve-less, leg-less costume.

copy/paste for a look at the happy little dude: http://www.rapsheet.co.uk/RapSheetMain/Character.asp?UniqueId=302

You've probably never heard of the Negative Zone either.

Ben Grimm forever!