Hadrat Jibreel (Alayhis Salam) is the greatest of all angels and the chief of the Mala'ikah. He is known as the Angel of Revelation (Malak al-Wahi), entrusted by Allah with delivering divine messages to the Prophets. He brought the entire Holy Quran to the Holy Prophet Muhammad (peace and blessings be upon him) over a period of 23 years. He also brought revelations to Hadrat Ibrahim, Hadrat Musa, and Hadrat Isa (peace be upon them all). He is described in the Holy Quran as Ruh al-Qudus (the Holy Spirit) and Ruh al-Amin (the Trustworthy Spirit). He appeared to the Holy Prophet (peace and blessings be upon him) in his true form with 600 wings, filling the entire horizon.