title character
character who is named or referred to in the title, performance part that gives the title to the piece
en-GB/ˈtaɪtl ˈkæɹəktə/
en-US/ˈtaɪtəl ˈkɛɹɪktɚ/
character who is named or referred to in the title, performance part that gives the title to the piece