eponymous

adjective2

1. •
   Of, relating to, or being the person or entity after which someone or something is named; serving as an eponym.

   • Prince Hamlet is the eponymous protagonist of the Shakespearian tragedy Hamlet.
   • Robinson Crusoe is the eponymous hero of the book.
2. •
   Of a thing: named after a person or entity.

   • The American singer-songwriter Madonna released her eponymous album in 1983.