Peter Pevensie is a fictional character from C.S. Lewis's The Chronicles of Narnia series. He is the eldest of the four Pevensie siblings and is known for his bravery and leadership qualities. Peter becomes the High King of Narnia, where he plays a crucial role in the battle against the evil White Witch. In the story, Peter is characterized by his sense of responsibility and protective nature towards his siblings, Susan, Edmund, and Lucy. He wields a sword named Rhindon and is often depicted as a noble and courageous figure, embodying the themes of heroism and sacrifice throughout the series.