1) Mesopotamian god 
Ishum is a minor god in Akkadian mythology, the brother of Shamash and an attendant of Erra. He may have been a god of fire and, according to texts, led the gods in war as a herald but was nonetheless generally regarded as benevolent. Ishum is known particularly from the Babylonian legend of Erra and Ishum. He developed from the Sumerian figure of...
In Sumerian mythology, Ishum is a god of fire, and is adept at using weapons. He lights the way in front of Erra and the Sebitti.
the Akkadian god of fire and the companion of Irra.