Ketch Barrymore. In the film, the boat was named the "Sea Serpent". Ketch A ketch is a two-masted sailing craft whose mainmast is taller than the mizzen mast (or aft-mast). The name "ketch" is derived from "catch" or fishing boat. Historically the ketch was a northern European square-rigged vessel, often a freighter or fishing boat, particularly in the Baltic and North seas. Nowadays, a ketch tends to be a fore-and-aft rigged pleasure yacht, similar to a yawl; but a ketch's mizzen mast is taller and its mizzen sail is larger than a yawl's. The large fore-and-aft sail on the mainmast is
Jack Ketch in 1828. He is mentioned in the Charles Dickens novels "Oliver Twist", "The Pickwick Papers" and "David Copperfield" and in the C. M. Kornbluth science fiction story "The Marching Morons" (1951). More recently, Jack Ketch plays a role in Neal Stephenson's 2003 and 2004 volumes "Quicksilver" and "The System of the World", the first and last volumes, respectively, in his "The Baroque Cycle" series (though the last volume is set in 1714, well after the death of the historical Jack Ketch.) A Jack Ketch character appears in Neil Gaiman's "The Graveyard Book". Jack Ketch is featured as a non-speaking character