Dan Singer (born December 20, 1971), known professionally as Danny Diablo and Lord Ezec, is an American hardcore punk and hip hop vocalist based in New York City. He is currently a member of underground hip hop acts The ShotBlockers, KAOS 13 and FTW, as well as a founding member of hardcore bands Crown of Thornz and Skarhead. He also started a (side)project/band with Jamey Jasta from Hatebreed called Icepick.