I am sure everyone has at least heard of him and his tales. He based himself off Heracles, a Homeric character, who believes virtue was better in practice than theory. This man made virtue of poverty, which again as a Vedic Brahmin this is a very familiar idea for me, the idea of ascetism dates centuries before the cynics and has a major place in Vedic Philosophy, if this is something that interests you, look into `Sanyasi Yoga`. And for context, it is believed that Diogenes also taught his Philosophy of Cynicism to Zeno of Citium, who extended on it and started his own school of thought, now famously known as `Stoicism`.