oyage on the whaling ship Pequod, commanded by Captain Ahab.РAhab has one purpose on this voyage: to seek out Moby Dick . It destroyed Ahab's boat and bit off his leg, which now drives Ahab to take revenge.РThe whale eventually destroys the whaleboats and crew, and sinks the Pequod.РThe genesis for Moby-DickРTwo actual events served as the genesis for Moby-Dick.РOne was the sinking of the Nantucket ship Essex in 1820 .РThe other event was the alleged killing in the late 1830s of the sperm whale Mocha Dick.РCharacterРIshmael ?Ishmael is a seaman of the Pequod. He is the narrator of the story, and the hunting is narrated by him. He is the only person who was survived at last. ?Ishmael has a rich literary background, which he brings to bear on his shipmates and events that occur while at sea.