Gaiman has said that he based Gadling's speech pattern on that of British actor Bob Hoskins, particularly in the film The Long Good Friday.
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By 1989 Gadling will come to regret his involvement in the Atlantic slave trade, an occupation Morpheus advised him to forgo centuries before; having apologized repeatedly to his 20th century girlfriend in "Sunday Mourning", he is told by Gwen to drop the subject.