Sergei Kulakovskii

He is the pilot of EunovaVIII 15 years old. Later when he and Tatyana are defeated by Japans Republic SxanoX he is a cheerful guy with a good attitude and is hard to hate. He becomes quick friends with the protagonists and worries about them. He seems to have a romantic relationship with Eunovas translator and his partner Tatyana despite her being older.