Thomas Raith is introduced as a vampire of the White Court (an incubus) in Grave Peril of the contemporary fantasy series The Dresden Files by Jim Butcher. It is revealed in Blood Rites that Thomas is the half brother of Harry Dresden, the protagonist of the series, and, until Changes, Harry's only known living family. Thomas does not appear in the TV series. However, he appears in every book between Death Masks and Cold Days, and is the star of his own novelette, entitled Backup.