Ayyub Faleh Hassan al-Rubaie (Arabic: ???? ???? ??? ???????? born 1978), known by his nom de guerre Abu Azrael (Arabic: ??? ????????, literally "Father of Azrael"), also known as the "Angel of Death" (Arabic: ???? ??????), is a commander of the Kataib al-Imam Ali, an Iraqi Shi'a militia group of the Popular Mobilization Forces that is fighting ISIS in Iraq.
He has become a public icon of resisting ISIS in Iraq among Shia Iraqis with a large following on social media.
His motto and catchphrase is "Ella Tahin" (Arabic: ???? ?????), literally meaning "Until/into dust" interpreted to mean "Grind you to dust."
Abu Azrael was a former militia member in Muqtada al-Sadr's Mahdi Army which fought against the United States during the U.S.-led invasion of Iraq.