Manfred met Sookie Stackhouse on his way to Midnight in a short story compilation "Games Creatures Play". Charlaine Harris "The Blue Hereafter" has some of Manfred's back story.
Based on series of books by Charlaine Harris, author of Sookie Stackhouse, that gave us True Blood
Manfred is first introduced in the Harper Connelly mystery series also by Charlaine Harris
Bobo Winthrop character was first introduced in Charlaine Harris' Shakespear/Lily Bard series.
Peter Mensah also played the role of "Kibwe" in the HBO show, True Blood. Both shows were inspired by book series written by Charlaine Harris.