His father is a water deity called Ea, and he earned the Tablets of Destiny after killing a dragon that represented the sea.  
One realm associated with this figure is generally believed to be the planet Jupiter, and was called Nibiru. His chariot was drawn by four horses named Trampler, Haste, Pitiless, and Killer, and this figure's father led Mummu by a nose-rope just before his birth. He built a palace called Esharra, and his weapons include the Abuba, Imhullu, and a net that Anu gave him. This figure killed Kingu, whose blood Ninhursag used to create the first human. His father is a water deity called Ea, and he earned the Tablets of Destiny after killing a dragon that represented the sea.  For 10 points, name this patron god of Babylon, the slayer of Tiamat.
One realm associated with this figure is generally believed to be the planet Jupiter, and was called Nibiru.
Marduk [or Bel]