Thorin Oakenshield is one of the most important characters in The Hobbit. He is the leader of a group of thirteen dwarves who seek to reclaim their lost home, the Lonely Mountain. Born into an ancient royal family, Thorin sees it as his duty to lead his people back to glory and prosperity. He earned his nickname "Oakenshield" because he used an oak branch as a shield in battle after his real shield was broken. Physically, Thorin is described as a stro ng dwarf with dark hair, a long beard, and a dignified bearing. His serious expression and fine clothing reflect his royal lineage. Despite many years in exile, he never loses faith that his people will one day return home. During the journey, Thorin demonstrates great courage, perseverance, and leadership. He confronts dangerous enemies and takes responsibility for his companions. At the same time, however, his greatest weakness is revealed: his growing pride and his greed for the mountain's treasure. The immense wealth alters his behavior, making him distrustful and stubborn. This so-called "dragon sickness" even brings him into conflict with his friends and allies. The only one how can Brake thoue this sickness is bilbo whom he is secratly in love with(Obsession). Thorin Oakenshield thus remains a symbol of courage, honor, responsibility, and the understanding that true wealth lies not in treasures, but in good deeds, genuine friendship, and a noble heart.

Kíli and Fíli are the youngest dwarves in The Hobbit and belong to the group that joins Thorin Oakenshield in reclaiming the Lonely Mountain. They are brothers and Thorin's nephews. Both are described as brave, loyal, and kind. Fíli is known for his level-headedness and responsibility, while Kíli stands out for his humor and outgoing nature. Together, they support their companions and face all the dangers of the journey. Their loyalty to their family is particularly noteworthy. In the end, Fíli and Kíli fight bravely alongside Thorin, sacrificing their lives to protect him. This makes them symbols of courage, unity, and selfless dedication to their family and friends.