In the book "The Jew of New York" by Ben Katchor, the protagonist, Moishe Ketzelbourd, reflects on his identity and the cultural shifts he experiences. He highlights the contrast between his original name and the name given to him by the Indian community, Maurice Cougar, symbolizing the interplay of different cultural influences in his life. This change of identity underscores the theme of adaptation and the search for belonging in a diverse society.

Katchor's narrative explores the complexities of immigrant experiences and the ways in which people navigate their personal histories while connecting with new cultures. Through Moishe's journey, the author illustrates the tension between maintaining one's roots and embracing new identities, making a broader commentary on the immigrant experience in America.