Thor Odinson — Prince of Asgard The powerful but impulsive heir to Asgard. Thor is confident, proud, and sometimes reckless, but deeply protective of those he considers his people. After finding the princess of Aspine, his instinct is to protect her—but her arrival may put Asgard in danger.

Loki Laufeyson — Prince of Asgard Thor's adopted brother and the God of Mischief. Intelligent, observant, and often difficult to read, Loki is immediately suspicious of the princess and her story. He may help her, but his true intentions are never completely clear.

Odin Borson — King of Asgard The All-Father and ruler of Asgard. Stern and authoritative, Odin has centuries of knowledge about the Nine Realms. He recognizes that Aspine's destruction could signal a threat far greater than a simple invasion.

Frigga — Queen of Asgard Thor and Loki's mother and the queen of Asgard. Wise, compassionate, and perceptive, Frigga is more welcoming toward the princess than Odin. She understands what it means to lose a home and becomes a quiet source of comfort.

Heimdall — Guardian of the Portal The watchman of Asgard who can see across the Nine Realms. Heimdall is among the first to realize that something is wrong when strange movements from the Frostbite appear beyond Asgard's borders.

The Warriors Three — Thor's Companions Fandral, Volstagg, and Hogun are Thor's longtime comrades. They bring different personalities to the group: Fandral is charismatic, Volstagg is jovial and fearless, while Hogun is quiet and serious.

Sif — Asgardian Warrior A fierce and loyal warrior of Asgard and one of Thor's closest companions. Sif is disciplined where Thor can be reckless. She initially views the princess as a potential threat but eventually becomes one of her protectors.

Valkyrie / Brunnhilde — Asgardian Warrior Brunnhilde can appear as an experienced warrior and survivor. Having lost her Valkyrie comrades, she understands the princess's grief and distrust of powerful enemies.