The numerous names of God have been a source of debate amongst biblical scholars. Some have advanced the variety as proof that the Torah has many authors (see documentary hypothesis). It is also held that the only "name of God" in the Tanakh is YHWH. Where as words such as Elohim (God), El (mighty one), El Shaddai (almighty God), Adonai (master), El Elyon (most high God), Avinu (our Father), etc. are not names, but titles, highlighting different aspects of YHWH, and the various roles which He has. This is similar to how a man may be called by his name, or by 'Dad', 'Husband', 'Boss', 'Sir', 'Son', etc, however his personal name is the only one that can be correctly identified as his name. In the Tanakh, YHWH is the personal name of the God of Israel, where as the other words are titles whi