Diogenes Teufelsdröckh is a fictional character from the novel "Sartor Resartus" by Thomas Carlyle. He is portrayed as a philosopher who embodies the principles of cynicism, often challenging societal norms and conventions. His name suggests a blend of the ancient Greek philosopher Diogenes of Sinope and the German word "Teufelsdröckh," which translates to "devil's dung," reflecting his disdain for materialism. In the novel, Teufelsdröckh advocates for a life of simplicity and authenticity, emphasizing the importance of self-awareness and personal truth. His ideas critique the superficiality of contemporary society, encouraging readers to seek deeper meaning beyond material possessions and societal expectations.