Cassian Jeron Andor is a fictional character in the Star Wars franchise, primarily portrayed by actor Diego Luna. Introduced in the feature film Rogue One as a co-lead, he is the protagonist of the prequel television series Andor. From Wikipedia
Tony Gilroy credits his son for inspiring the inclusion of 'Rebellions are built on hope,' introduced in Episode 8 through a poignant encounter on Ghorman.