Twelfth Night, or What You Will is a romantic comedy by William Shakespeare, believed to have been written around 1601–1602 as a Twelfth Night's entertainment for the close of the Christmas season. The play centres on the twins Viola and Sebastian, who are separated in a shipwreck.
William Shakespeare was an English poet, playwright, and actor, widely regarded as the greatest writer in the English language and the world's greatest dramatist. He is often called England's national poet and the “Bard of Avon”.