The Life and Opinions of the Tomcat Murr together with a fragmentary Biography of Kapellmeister Johannes Kreisler on Random Sheets of Waste Paper is a complex satirical novel by Prussian Romantic-era author E. T. A. Hoffmann.

(born August 15, 1950) (also Charles Theodore Murr-Létourneau) a Catholic priest, author, linguist, educator, raconteur and founder of an Orphanage in Tepatitlan, Jalisco, Mexico.