Al-Witr - He is the One and Unique for whom there is no partner or equal.

Occurrence: This name is not mentioned in the Holy Qur’an but rather in the Prophet’s Sunnah.

Evidence: The Prophet, may Allah bless him and grant him peace, said, “Surely, Allah is Al-Witr (i.e. One who has no equal), and He likes Al-Witr [prayer].” (Reported by Muslim)