Biography
Knatterjak is Dan McGrath who plays all the instruments that feature in his songs as well as providing vocals. According to his myspace page
"Who is Knatterjak? Knatterjak is everywhere, inside everyone... He sees things that others do not. His hearing is above average. He once challenged Apollo, god of music to a musical duel. and lost. All of his pennies are pressed. He is motivated by nothing except lemon-lime gatorage and has an internal GPS system. He brought nomadicism back (as well as the crewneck sweatshirt). He's ready to be unveiled. Well-hydrated and all. -written by R.S.B"
Biography text from Last.fm, available under CC BY-SA.