Kotaro Taiga (大河 幸太郎 Taiga Kōtarō?) is the loud, proud, and quite energetic president of the Space Development Corporation and chief of Gutsy Geoid Guard; As such with the latter, it is his job to oversee GGG's mission, and to approve the use of necessary procedures (Final Fusion, Symmetrical Docking (the latter being rarely)) as well as more crucial and untested equipment (Goldion Hammer, Goldion Crusher, Projectile X and so on). His authorization represented that of the following... He was formerly the leader of the group ID5, as Gold Tiger.