Abd al-Rahim al-Nashiri (also known by the alias Mullah Bilal, Mohammed Omar al-Harazi, and Abdul Rahman Hussein al-Nashari) (Arabic: عبد الرحمن النشيري) is a senior leader of Osama bin Laden's terrorist group Al-Qaeda. He is alleged to be the mastermind of the USS Cole bombing and other terrorist attacks, and was the head of al-Qaeda operations on the Arabian peninsula.