Leonard Marx may not have many synonyms as it is a unique name. However, there are various ways to refer to him indirectly. Leonard Marx was famously known as Chico Marx - one of the Marx Brothers, known for their comedic performances in film and theatre. He was also known for playing the piano and sometimes referred to as Chico the pianist. Other ways of referring to him could be as a comedian, actor, musician, or entertainer. Although he passed away in 1961, his legacy lives on as an iconic figure in American popular culture.