Despite all this…. The Cycnics — extreme philosophy Diogenes is credited with having founded the Cynic School of philosophy. During his lifetime, Athens had become the popular place for free thinkers from all over the Mediterranean and Near East to hang out. As such, the city was teeming with philosophers, and the Cynics were probably the craziest of the bunch. The name Cynic comes from the Greek word for dog, since is how Cynic behavior appeared — they went barefoot and lived outside. Less theory, more practice Unlike academic philosophers today, the Cynics were not concerned with theory. Diogenes believed that virtue was better demonstrated in practice.