Yeah, Koga never dies in the manga or the anime. He does disappear from the series for a while after the sacred jewel shards in his legs are taken, but in Final Act episode 26, you see him married to Ayame.
Koga is at least 17
Ninjas came mainly from Iga and Koga in central Japan, on the island of Honshu
古賀 Pronunciation: Koga
Hide Koga was born in 1939.
Takeshi Koga was born in 1939.
Mitsuki Koga was born in 1975.
Makoto Koga was born in 1940.
Koga Domain ended in 1871.
Koga Domain was created in 1590.
i think its episode 84 koga's bride to be.
what belt is toshihiko koga
Not really, though Inuyasha does eventually tolerates Koga.