Amory Blaine is the protagonist of F. Scott Fitzgerald's novel, This Side of Paradise. He is a young man from a wealthy family who struggles with his identity and purpose in life. Amory's experiences at Princeton University and his relationships with various women shape his character and worldview throughout the story. As a character, Amory embodies the themes of the Lost Generation, reflecting the disillusionment and search for meaning prevalent in the post-World War I era. His journey explores the conflicts between social expectations, personal ambition, and the quest for love and fulfillment.