What is Mark Twains real name and what is he famous for?
His real name was Samuel L. Clemens and he was famous for writing books under the name of Mark Twain.
He wrote the famous books 'The Adventures of Tom Sawyer' and The Adventures of Huckleberry Finn One fact about him is that Mark Twain is not his birth name. He took that name from his years as a riverboat pilot. Mark Twain was a name for a water depth measurement. Mark Twain's real name was Samuel Langhorne Clemens.