Ryan Gosling's character in La La Land is Sebastian, a dedicated jazz musician who dreams of opening his own jazz club in Los Angeles. Sebastian is passionate about the purity of jazz and its historical importance. He is committed to his art and has a strong work ethic, often clashing with modern society's preference for mainstream music. Sebastian has a charming and idealistic nature, valuing authentic connections with others. He is a dreamer who remains resolute in his goals, even when faced with the challenges of balancing his ambitions with love and personal fulfillment.