Beowulf
is the son of Ecgtheow, the protagonist, a great warrior and a Geatish hero. He is characterized by his courage, his values, and his pride. He values his ancestry and the heroic code. He arrives at Heorot with the purpose to defeat Grendel, the monster that disturbs the Danes. His status as a warrior allow him to receive feasts and boasts in honor of his bravery. He remains to fight a dragon and Grendel's mother and eventually takes the responsibility as the king. Beowulf epitomizes the characteristics of the perfect hero. He is willing to risk his life and put the lives of his people before his own. His death symbolizes his last sacrifice as a warrior and an honorable King.
Hrothgar
is the ruler of the Danes. He was a part of Beowulf's childhood and transition to maturity. He possess compassion and knowledge and admirable traits as a King. He accepts Beowulf and understands the struggle of his people. He creates Heorot, a mead hall for celebrations and victories. He is a kind king that has the only restriction of his age, which doesn't allow him to defend his people. His character is important as it contrasts with Beowulf's status as a young, prideful warrior. He implicates his virtues and leadership to Beowulf as he gives him the honor as King.
Grendel
is one of the three monsters that Beowulf battles and defeats. He is beastly with animalistic features and traits, a mix of a man and a monster. He possesses unearthly strength and lives as an outcast. He is a descendent of Cain, a devil's advocate who represents corruption and cruelty. Grendel has terrorized Heorot for 12 years and lives in a cage with her mother. He slaughters and devours out of jealousy and loneliness. His battle with Beowulf exposed his vulnerability and weakness, his leaves Heorot wailing in pain.