Basil Hallward is a fictional character in Oscar Wilde's novel, "The Picture of Dorian Gray." He is a talented painter who becomes infatuated with the beauty of Dorian Gray, the young man he portrays in a portrait. Basil's admiration for Dorian leads him to explore themes of beauty, art, and morality. As the story unfolds, Basil's character represents the struggle between artistic integrity and the influence of hedonism. His concern for Dorian's well-being highlights the dangers of vanity and excess, ultimately leading to tragic consequences in their relationship.