Bizon Gerafil

Hina's childhood friend. He is a valiancer pilot for the Great Zogilia Army where he happens to be Hina's team mate as well. He cares for Hina very much which suggest that he has feelings for her.

It was hinted that he is the one who attacked Aoba when he went to his time, 70 years into the past.

(Source: Zinc View)