Who is Valerian?

Valerian is an agent of the Spacio-Temporal Agency, and is one of the heroes of Birds of the Master. He is a strong man, depicted as a handsome hero. Valerian has some faults, but is ultimately a positive character. As the novel opens, Valerian has crashed their spaceship. He does not know what happened to cause him to crash and it is ultimately proven that the Master was responsible. But Laureline is angry, knowing that he sometimes makes mistakes that put them in dangerous situations.