Zerokage is a very agile and sentient Ninja Robot. It merges with Icelander and has clashed with Cybertron on many occasions. Both robots are comparable in ability. It is 4 m (13 ft) tall and weighs 550 kg (1,200 lb).
It was probably made by the same people who created Cybertron. It was show first in the ship of King Annex Zaboom.