It is believed that Huck Finn is based on(基于)a childhood friend of Mark Twain's. In fact,Twain was not alone in basing a fictional character(虚构的角色)on a real-life person. Severus Snape/John Nettleship Severus Snape is a skillful wizard (巫师) teaching magic in Harry Potter. The writer, J.K. Rowling, once said that the character was based on a teacher of hers. The teacher turned out to be John Nettleship, who taught Rowling chemistry. At first, Nettleship felt surprised. "I know I am a strict teacher," he said. "But I don't think I am as bad as Snape!" On second thoughts, however, he said that he was so ill-tempered that most of his students avoided making him mad. Also,:I he used to wear long hair and have an untidy lab. That sounds familiar to Harry Potter fans. Alice/Alice Liddell Famously, Lewis Carroll's Alice in Alice's Adventure in Wonderland is based on Alice Liddell. Carroll was close to the Liddell family. One day, ten-year-old Alice asked Carroll to tell her a new story. Carroll began to create his famous tale of Alice and what happened after she fell through the rabbit hole; The li ttle girl liked the story so much that she asked him to write it down. And the rest is history. Dill/Truman Capote In To Kill a Mockingbird, Harper Lee based Dill on her childhood friend, Truman Capote. Capote once said,"Lee