Abdul Alhazred is a fictional character created by writer H.P. Lovecraft. He is best known as the author of the infamous grimoire, the Necronomicon, which is a central element in Lovecraft's Cthulhu Mythos. Alhazred is often depicted as a mad Arab who delved into forbidden knowledge and dark sorcery, leading to his eventual demise. His character embodies the themes of cosmic horror and the insignificance of humanity in the face of ancient, incomprehensible forces. Alhazred's legacy continues to influence horror literature and pop culture, making him a significant figure in the genre.