ABU HURAIRAH ابو هريرة
One of the most constant attendants of Muhammad, who from his peculiar intimacy has related more traditions of the sayings and doings of the Prophet than any other individual. His real name is doubtful, but he was nicknamed Aba Hurairah on account of his fondness for a kitten. He embraced Islam In the year of the expedition to Khaibar, A.H. 7, and died in al-Madinah, A.H. 57 or 59, aged 78.
Based on Hughes, Dictionary of Islam