WTaha Subhi Falaha, known as Abu Muhammad al-Adnani al-Shami, was the official spokesperson and a senior leader of the Islamic State of Iraq and the Levant, also called the Islamic State or ISIS, and also known by its Arabic acronym Daesh. He was described as the chief of its external operations. He was the second most senior leader of the Islamic State after its leader Abu Bakr al-Baghdadi. Media reports in August 2016 suggested he was in charge of a special unit, known as the Emni, that was established by ISIL in 2014 with the double objective of internal policing and executing operations outside the ISIL territory.
WAbdulrahman Mustafa al-Qaduli, better known by his noms de guerre Abu Ala al-Afri and Abu Ali al-Anbari, was the governor for territories held by the Islamic State of Iraq and the Levant (ISIL) in Syria. Considered the ISIL second-in-command, he was viewed as a potential successor of ISIL leader Abu Bakr al-Baghdadi.
WHamid Dawud Mohamed Khalil al-Zawi, known as Abu Hamza al-Baghdadi and Abu Omar al-Qurashi al-Baghdadi, was the leader of the militant groups Mujahideen Shura Council, and its successor, the Islamic State of Iraq, which fought against US forces and their Iraqi allies in the Iraq War.
WAbu Bakr al-Baghdadi, born Ibrahim Awad Ibrahim Ali al-Badri al-Samarrai, was an Iraqi terrorist and the leader of the Islamic State of Iraq and the Levant (ISIL) from 2014 until his death in 2019.
WAdnan Ismail Najm al-Bilawi Al-Dulaimi, better known by the nom de guerre Abu Abdulrahman al-Bilawi al-Anbari, was a top commander in the Islamic State of Iraq and the Levant and the head of its Military Council, prior to his killing by Iraqi security forces on 4 June 2014.
WAhmed Hussein al-Shar’a, known by the nom de guerre Abu Mohammad al-Julani, is the commander-in-chief of the Syrian militant group Tahrir al-Sham; he was also the emir of its predecessor organisation al-Nusra Front, the Syrian branch of al-Qaeda. The US State Department listed Al-Julani as a "Specially Designated Global Terrorist" in May 2013, and four years later announced a $10 million reward for information leading to his capture. As of February 2021, the bounty remains in force.
WAbu Ayyub al-Masri, also known as Abu Hamza al-Muhajir, born Abdel Moneim Ezz El-Din Ali Al-Badawi, was the leader of Al-Qaeda in Iraq during the Iraqi insurgency, following the death of Abu Musab al-Zarqawi in June 2006. He was war minister of the Islamic State of Iraq from 2006–2010 and prime minister of the Islamic State of Iraq from 2009–2010. He was killed during a raid on his safehouse on 18 April 2010.
WNeaman Salman Mansour al Zaidi, known as Abu Suleiman al-Naser, was the military commander or "War Minister" of the militant group Islamic State of Iraq (ISI) during the Iraq War.
WAdnan Latif Hamid al-Suwaydawi al-Dulaymi, also known by his noms de guerre Abu Muhannad al-Suwaydawi, Abu Abdul Salem, and Haji Dawūd was a top commander in the Islamic State of Iraq and the Levant (ISIL) and the former head of its Military Council.
WFadel Ahmed Abdullah al-Hiyali, better known by his noms de guerre Abu Muslim al-Turkmani, Haji Mutazz, or Abu Mutaz al-Qurashi, was the Islamic State of Iraq and the Levant (ISIL) governor for territories held by the organization in Iraq. He was considered the ISIL second-in-command ; he played a political role of overseeing the local councils and a military role that includes directing operations against opponents of ISIL. His names were also spelt Fadhil Ahmad al-Hayali, and Hajji Mutazz.
WShaker Wahib al-Fahdawi al-Dulaimi, better known as Abu Waheeb, was a leader of the militant group Islamic State in Iraq and the Levant in Anbar, Iraq. He killed three Syrian truck drivers in Iraq in the summer of 2013, and was himself killed, with three others, in a United States-led coalition airstrike in May 2016, according to the US Department of Defense.
WAbu Musab al-Zarqawi, born Ahmad Fadeel al-Nazal al-Khalayleh, was a Jordanian jihadist who ran a terrorist training camp in Afghanistan. He became known after going to Iraq and being responsible for a series of bombings, beheadings, and attacks during the Iraq War, reportedly "turning an insurgency against US troops" in Iraq "into a Shia–Sunni civil war". He was sometimes known by his supporters as the "Sheikh of the slaughterers".