"the Harlequin Romances. Jenny Kerton, Danielle Steele"

Harlequin started life as a character in the Italian commedia dell-arte, and his popularity inspired the later Harlequinade, where the story focuses around Harlequin and his love interest Columbine.

Danielle Steele is an American novelist, famous for her romance novels.

Jenny Kerton is a character that appears in Wall: A Prologue, a short story found in some versions of Neil Gaiman's 'Stardust,' novel, she is a writer.