Zako is a deputy to Urko, who hunts the fugitives with Urko, Olam and Mema in the ruins of San Francisco. He forms a temporary alliance with Virdon and Galen, to free Burke and Urko. In spite of Urko's orders to kill them, he sticks to his agreement and lets them go. He then finds and tears up the zoo poster Urko had found showing a caged gorilla.
- Zako wears the uniform of the rank of "captain".