Mecha-Trilobite

By 1999, scientist Tokumitsu Yuhara had successfully created a cybernetic Trilobite, which was dubbed Mecha-Trilobite (メカトリロバイト Mekatorirobaito). Using living nerves and tissue from Horseshoe crabs along with robotic components and special "DNA computers," Yuhara perfectly replicated the extinct arthropod, which moved and behaved as if it were alive. Yuhara intended to use this method to preserve extinct and endangered species. When the Japanese government learned of Yuhara's work, it recruited him to use his method to cybernetically revive the original Godzilla as a battle machine dubbed Kiryu, so it could fight the current Godzilla.