Kepesh is a fictional character created by author Philip Roth. He appears in several of Roth's novels, most notably in "The Breast" and "The Professor of Desire." Kepesh is often portrayed as a literary critic and a man grappling with issues of identity, sexuality, and aging. The character is known for his introspective nature and complex relationships, particularly with women. Through Kepesh, Roth explores themes of desire, alienation, and the human condition, making him a significant figure in contemporary American literature.