The term 'Lion Player' can be summed up by the crossword solution of LAHR. This is a reference to the actor Bert Lahr, who is best known for his role as the Cowardly Lion in the 1939 film adaptation of The Wizard of Oz. Lahr was an American actor and comedian who had a long career in vaudeville, film, and television. He was also known for his roles in films such as Burlesque and Flying High.