The legendary warrior who wielded Excalibur is King Arthur, a central figure in Arthurian legends. Excalibur symbolizes not only his right to rule but also his noble traits and responsibilities as a leader. The sword is often associated with themes of chivalry, valor, and the divine right of kings. Arthur's tales explore the complexities of leadership and the moral dilemmas he faces, contributing to the rich tapestry of British folklore and its lasting influence on modern interpretations of heroism.