The following is an incomplete list of fictional characters featured in the books and stories of P. G. Wodehouse, by series, in alphabetical order by series name. Due to overlap between the various classifications of Wodehouse's work, some characters appear more than once.
Blandings Castle
Threepwood family
Clarence Threepwood, 9th Earl of Emsworth
Emsworth's siblings and their families
The Hon. Galahad Threepwood, Emsworth's unmarried younger brother
The Hon. Lancelot Threepwood, Emsworth's deceased brother
Millicent Threepwood, his daughter
Lady Ann Warblington, Emsworth's sister, sometime châtelaine at Blandings
Jane, deceased sister of Emsworth
Angela, daughter of Jane, Emsworth's niece
Lady Constance Keeble, later Schoonmaker, Emsworth's bossiest sister
Joseph Keeble, her first husband, Phyllis Jackson's stepfather. Phyllis Jackson, Joe Keeble's stepdaughter Michael "Mike" Jackson, her husband, an old friend of Psmith James Schoonmaker, Lady Constance's second husband, an American millionaire and an old friend of Uncle Fred Myra Schoonmaker, his daughter who marries Bill Bailey despite Lady Constance's best efforts Lady Charlotte, Emsworth's sister, "a tougher egg even than Lady Constance, or her younger sister, Lady Julia". Jane, her daughter Lady Julia Fish, Emsworth's tall and blonde sister Maj. Gen. Sir Miles Fish, her late husband Ronnie Fish, their son and a member of the Drones Club Lady Florence Moresby, another of Emsworth's domineering sisters J. J. Underwood, Lady Florence's deceased first husband Kevin Moresby, her second husband, from whom she has separated Dora, Lady Garland, Emsworth's tall and stately sister Sir Everard Garland, K.C.B., her late husband Prudence Garland, Lady Dora's daughter Lady Hermione Wedge, Emsworth's sister, who looks like a cook Colonel Egbert Wedge, Lady Hermione's husband Veronica Wedge, the Wedges' beautiful but simple daughter Georgiana, Lady Alcester, another sister of Lord Emsworth, who owns fourteen dogs Gertrude Alcester, her daughter Lady Diana Phipps, the only one of Emsworth's sisters whom Galahad likes Wilfred Allsop, Lord Emsworth's nephew, of uncertain parentage
Emsworth's children and their families
George Threepwood, Lord Bosham, Emsworth's elder son and heir to the earldom
Cecily Threepwood, Lord Bosham's wife
James Threepwood, their elder son
George Threepwood, their second son
The Hon. Freddie Threepwood, Emsworth's younger son
Niagara "Aggie" Donaldson, Freddie's wife
Penelope Donaldson, Aggie's younger sister
Mr Donaldson, dog-biscuit king, father of Aggie and Penelope
Lady Mildred Mant, Emsworth's eldest daughter
Colonel Horace Mant, her husband
Distant relations
Percy, Lord Stockheath, Emsworth's nephew, whose parents are never named
Algernon Wooster, Lord Stockheath's cousin, implying Bertie Wooster may be a relation too The Bishop of Godalming, a relative of the Threepwoods Mrs Jack Hale, mentioned as belonging to the collateral branch of the family (Something Fresh) The 8th Earl of Emsworth - Clarence's father (Company for Gertrude; page 95) Robert - uncle of Clarence (Company for Gertrude; page 96) Claude - cousin of Clarence (Company for Gertrude; page 96) Alistair - maternal uncle of Clarence (Company for Gertrude; page 96)
Domestic staff
Secretaries
Rupert Baxter, Lord Emsworth's original, very efficient secretary
Montague "Monty" Bodkin, also Emsworth's secretary for a time
Lavender Briggs, a tall and haughty secretary
Alexandra "Sandy" Callender, an attractive but fiery red-headed secretary
Hugo Carmody, another secretary, and a friend of Ronnie Fish
Rupert Psmith, Baxter's replacement as secretary
Gerald Anstruther Vail, a thriller-writer, and briefly Emsworth's secretary
Eve Halliday, hired to catalogue the library
House staff
Sebastian Beach, butler
Maudie, his much-married niece
Mrs Twemlow, housekeeper
Merridew, an under-butler
James and Alfred, Thomas and Stokes, Charles and Henry, footmen at the Castle
Outdoor staff
Thorne, the Scottish Head Gardener in Something Fresh
Angus McAllister, the Scottish Head Gardener after Thorne
Slingsby, a chauffeur
Alfred Voules, another chauffeur
Pig staff
George Cyril Wellbeloved, Emsworth's first pig man, who defects to the Parsloe-Parsloe camp James Pirbright, another pig man, Wellbeloved's replacement Edwin Pott, the pig man in Full Moon Monica Simmons, a pig girl of Amazonian proportions