Glaucus (Person)

Glaucus: Valiant Ally and Trojan Hero. Grandson of the hero Bellerophon, who defeated the monstrous Chimera, and cousin of Sarpedon, Glaucus was a captain. 

Diomedes and the Trojan Glaucus find common ground after a duel and exchange unequal gifts, sparked by Glaucus's story of Bellerophon