 The films literary characters are Allan Quatermain, introduced in  H. Rider Haggard (qv)s "King Solomons Mines" (1885); Mina Harker  from Bram Stoker (qv)s "Dracula" (1897); Henry Jekyll and Edward  Hyde from Robert Louis Stevenson (qv)s "The Strange Case of Dr.  Jekyll and Mr. Hyde" (1886); Rodney Skinner, who replaced Griffin  from H.G. Wells (qv) "The Invisible Man" (1897) (due to rights  issues, and the character in the comic was given the name Hawley  Griffin as the original novel gave no first name); Captain Nemo from  Jules Verne (qv)s "20,000 Leagues Under the Sea" (1870) and "The  Mysterious Island" (1874); Dorian Gray from Oscar Wilde (qv)s  "The Portrait Of Dorian Gray" (1891); Tom Sawyer from  Mark Twain (qv)s "The Adventures of Tom Sawyer" (1876); Ishmael  from Herman Melville (qv)s "Moby Dick" (1851); and Professor  James Moriarty from Sir Arthur Conan Doyle (qv)s "The Final  Problem" (1893). The Fantoms mask design alludes to  Gaston Leroux (qv)s "The Phantom Of The Opera" (1911). Also, M (a  shortening for James Moriarty) is taken from the Sherlock Holmes  stories.