Kau Ra Kau

Kau Ra Kau is a member of the Simon Pirates and a creation of Niphtal.

Appearance
Kau Ra Kau is a large, yellow and blue robot with a broad chest, a flat head, one large eye, a blue square where the other should be, and large teeth. It also has a duel-sided lance and spear arm, silver shoulder joints, and a black lower half designed to resemble pants.

Personality
Kau Ra Kau, as a robot, lacks any personality and only does what it is instructed to do by its creator, Niphtal.

Abilities and Powers
Kau Ra Kau has incredibly strong defenses, taking no damage from gunshots and attacks from Hey. Kau uses its weapon hands to fight.

Big Secret Treasure of the Seven Phantom Islands
When Niphtal's men were defeated by Hey and his subordinates, the pirate summoned Kau and his fellow robot, Zau Ra Zau. The two fought Hey and his men, receiving no damage and defeating the gang with ease. When Niphtal tried to use the robots to attack the townspeople, Zoro blocked their attack with his swords. The Straw Hat Pirates fought Kau and Zau and defeated them, causing Niphtal to and his defeated subordinates to retreat.

Major Battles

 * Kau Ra Kau and Zau Ra Zau vs. Hey and his gang
 * Kau Ra Kau and Zau Ra Zau vs. Roronoa Zoro
 * Kau Ra Kau and Zau Ra Zau vs. the Straw Hat Pirates