yahweh
The Abrahamitic (i.e. the deity worshiped in the religions Judaism, Christianity and Islam) God. Also known as יהוה (YHWH) or "The Lord". Although considered a spirit (John 4:24) existing beyond space and time, God is commonly depicted as an old man with a white beard and robes.
For the enemy in Megami Tensei II or Shin Megami Tensei II, use the YHVH tag.