Barney Stinson is a fictional character from the popular television series How I Met Your Mother. Portrayed by actor Neil Patrick Harris, Barney is known for his extravagant lifestyle, womanizing ways, and catchphrases like "Legendary!" He works in corporate America but spends most of his time pursuing romantic conquests and engaging in elaborate schemes with his friends. Despite his seemingly shallow persona, Barney has moments of depth and vulnerability, particularly in his relationships with Ted Mosby and Robin Scherbatsky. His character arc explores themes of love, friendship, and personal growth, making him a fan favorite throughout the series.