Painter Paul refers to two famous painters, Paul Klee and Paul Cezanne. Paul Klee was a Swiss-German artist who is known for his unique style of abstract art. He was a part of the Expressionist movement and was heavily influenced by cubism and surrealism. Paul Cezanne was a French Post-Impressionist painter who is considered to be the father of modern art. His work was influential in the development of cubism and other modern art movements. Both Klee and Cezanne are renowned for their contributions to the world of art.