Ruthless warlord, seeks to enslave dragons, wields a Bewilderbeast.
Astrid becomes a direct opponent of Drago's campaign.
Astrid and the other riders force a captured dragon trapper to lead them toward Drago, who then captures them.
Hiccup's vision of human-dragon peace opposes Drago's conquest.
Hiccup urges Drago to cease the violence, but Drago refuses and declares his desire to conquer the world.
Stoick has a longstanding conflict with Drago.
Stoick explains that Drago once demanded service from chieftains and attacked them after Stoick refused.
Valka actively undermines Drago's effort to enslave dragons.
Valka rescues dragons from Drago and shelters them in an ice nest.
Explore the full interactive character relationship map of How to Train Your Dragon 2