August Stilza

The guy was sitting in his studio and actively drawing something. Apparently inspiration visited him again, gifted him with a new brilliant idea.
August's headphones are playing loud music, it helps him get better involved in his work, and if he tunes in to the right wave, the world will see the new genius design even sooner.
Stilza hated being distracted from his work, so on the door of his workshop, on paper in huge letters, was written the phrase "DO NOT ENTER!! OTHERWISE KNOW MY WRATH!!"
But that didn't stop someone from bothering the designer at that moment. The guy literally jumped up from his seat and slammed the door open:
-WHAT?!