The name derives from the 80s anime and manga Hokuto No Ken, where the main protagonist Kenshiro often says that line (Omae Wa Mou Shindeiru) to his enemies who then suffer a bloody dead just a few seconds afterwards...
along with some funny last words/screams. The picture of the character pointing down is a well known (and exploitable) meme so I figured It'd be fitting (and fun) to make my version by painting an armor on the memetic image using Photoshop.
"You Are Already Dead" / "Omae Wa Mou Shindeiru" | Know Your Meme Thats the meme if you wanna know what I meant.