Performers active
- The Mighty Ajax aka Joseph Milana, aka "King of Swords", aka "Arabian Sword Swallower" in Fire Acts, in Trained Animals, in WORKING ACTS, in Sword Swallowers
- Anna John Budd aka William H. Muldoon, aka Miss Anna-John, aka "Nature's Interrogation", aka "Nature's Greatest Enigma", aka "The Originator" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Baby Thelma aka Thelma Williams in Fat Folk
- Larry Benner in Flea Circus, in Ventriloquists, in Magicians
- Benny Rogers "The An-drog-y'nal Wonder" aka "Both Male and Female in One Body" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Bessie and Bessettes "Half Man and Half Woman aka "Brother and Sister In One Body", aka "Oriental Enigma" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- The Amazing Blondini aka Mike Blondini in Sword Swallowers
- Bobby Kork aka "Cherie", aka "A Study In Sex", aka "?", aka "Unknown Sex Family" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Charles Rubinstein
- David Logsdon "Linda Lopez" aka Linda Lopez, aka Lynn Lopez, aka Linda-Lynn in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Diana D'Elgar "Sensation of Three Continents" aka "The Strangest Human Being Possible On This Earth", aka George Searles, aka George Val George, aka "Double-Sexed", aka "Oola, The Ape Girl" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- The Doll Family aka The Earles, aka Grace, Harry, Daisy, Tiny Earles, aka "The Tiny Town Review", aka Grace, Tiny, Harry & Daisy Schneider in Little People, Midgets, Dwarves
- Johnny Eck aka John Eckhardt, Jr., aka "The Only Living Half-Boy", aka "King of the Freaks", aka "Nature's Greatest Mistake" in FREAKS, in Legless, in Limbless, in Anomalies
- Eko & Iko aka George and Willie Muse, aka "Ambassadors From Mars", aka "Sheep-Headed Men From Mars" in Wild Folk
- Elizabeth Green "The Stork Woman" aka Koo Koo, The Bird Girl, aka Molina, the Pinhead in FREAKS, in Wild Folk
- Emmit Bejano aka "The Alligator Skinned Boy", aka "Lobello", aka Emmitt Driggers, aka "The Strangest Married Couple" in Alligator Skin, Elephant Skin, Armadillo-Skin
- Ernie & Len aka Ernie Conklin, aka Ernie Defort in FREAKS, in Extra Limbs, in Parasitic Twins
- Esther-Lester aka "Hermaphrodite", aka Eddie Lester in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Francies Benton "Male And Female In One" in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Francis Doran aka "The Original Maxine", aka Frankie Doran in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites, in Sword Swallowers
- Francis-Francine Hodgkiss in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Delno Fritz aka Delmo Fritz, aka William Sherman Fritz in Fire Acts, in Sword Swallowers
- Lorett Fulkerson aka "The Tattooed Lady", aka Loretta Love in Tattooed People
- Benjamin G. Green "The Alligator Man" aka "The Alligator Skin Man" in FREAKS, in Alligator Skin, Elephant Skin, Armadillo-Skin
- Roy Heckler aka Herbert Leroy Heckler in Flea Circus
- William H. Hill aka William "Red" Hill in Daredevils, in Funambulists
- Robert Huddleston aka The Pony Boy, aka Bob Huddleston in FREAKS, in Odd Extremities, in Camel Girls, Pony Men, Dog Folk
- Jenny Lee, Elvira, and Clayton Snow aka Zippo and Flippo, aka Pipo and Zipo, aka Pip and Flip, aka "Pinheads from Peru", aka Flip and Zipo, aka Pip and Flit in Pinheads, Microcephalics
- Jose de Leon aka "Armless Marvel", aka Asencion H. De Leon, aka "The Armless Guitarist" in FREAKS, in Armless, in Limbless
- Julius Graubart aka Julius The Pinhead in Pinheads, Microcephalics
- Patricia Katts aka Lady Patricia, aka Patricia Zerm in Sword Swallowers
- Koo Koo "The Bird Girl" aka Minnie Woolsey, aka Minnie Ha-Ha in FREAKS, in Wild Folk
- Lady Little aka "The Doll Lady" in Little People, Midgets, Dwarves
- Laurello aka Martin Joe Laurello, aka Lourello, aka "The Man With The Revolving Head", aka "The Wonder Man", aka Martin Emmerling, aka "The Human Owl" in Misc Freaks, in Strange Talents, in Contortionists, in Trained Animals
- Rosa Lee aka "Armless Wonder", aka "Armless Girl", aka "Armless and Harmless" in Armless, in Limbless
- Frank Lentini aka Francesco A. Lentini, aka "3 Legged Wonder" in FREAKS, in Odd Extremities, in Extra Limbs, in Parasitic Twins
- Leo-Leola "The Human Paradox" aka Homer Tracy in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Alex Linton aka "Prince of Swords" in Sword Swallowers
- Louis-Louise Logsdon aka "Sex Enigma", aka Billy Logsdon, aka "Kentucky's Sex Enigma", aka Billy Logsden, aka Pinky Pepper in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites
- Lucky Shepardson in Geeks
- Mac Norton aka Claude Louis Delair, aka "The Human Aquarium" in FEATS, in Regurgitators
- Madam Olga aka Jane Barnell, aka Lady Olga, aka Princess Olga, aka Lady Olga Roderick in Bearded Ladies
- Mary Ann Bevan aka "The Homliest Woman In The World" in Craniofacial Anomalies
- Mary Belle aka Mary Belle de Vargas in Armless
- Grace McDaniel aka "The Mule-Faced Woman", aka "World's Ugliest Woman", aka Grace McDaniels [sic] in FREAKS, in Craniofacial Anomalies, in Anomalies
- Paul McWilliams aka Paul "Big Mouth" McWilliams in Strange Talents, in Magicians
- Robert Owen Melvin aka Bob Melvin, aka "The Man with Two Faces" in FREAKS, in Anomalies
- Mignon, the Penguin Girl aka Mickey Mignon, aka Ruth Berry, aka Ruth LaArgo, aka Ruth Davis in FREAKS, in Little People, Midgets, Dwarves, in Frog Folk, Turtle Folk, Bear Folk, Serpent Folk, Penguin Folk
- Milo, "The Mule-Faced Boy" aka Kokomo, aka Kokomo Trapini, aka Kokomo Milo in FREAKS, in Craniofacial Anomalies
- Moko "The Missing Link" aka "The Missing Link" in Pinheads, Microcephalics
- Percy Pape in FREAKS, in Human Skeleton, Living Skeleton, Thin Man
- Percilla Bejano aka "The Monkey Girl", aka Percilla Lauther, aka Percilla Roman in FREAKS, in Hairy Folk
- Johann K. Petursson aka "The Icelandic Viking Giant" in FREAKS, in Unusual Size, in Giants
- Frieda Pushnik aka Freda Pushnik, aka Freida K. Pushnik, aka "Armless, Legless Wonder" in Armless, in Legless, in Limbless
- Sailor Jim White in Strong Folk
- Sam Alexander aka "The Man With Two Faces" in FREAKS, in Craniofacial Anomalies
- Sam Alexander aka "The Man With Two Faces" in FREAKS, in Craniofacial Anomalies
- Schlitzie aka Simon Metz, aka Slitzy, aka Schlitze, aka Slitzie, aka "The Last of the Aztecs", aka "The Missing Link" in Pinheads, Microcephalics
- Grady Stiles aka "Lobster Boy", aka "Lobster Man", aka Grady Franklin Stiles, Jr. in FREAKS, in Odd Extremities, in Lobster Folk
- Tanit-Ikao in WORKING ACTS, in Circassians, in Sword Ladders, in Fakirs
- Cliff Thompson aka Clifford Marshall Thompson in Giants
- Tiny Dollita aka "That Atomic Bomb of Entertainment", aka Helen Magdelaine Pekar in Little People, Midgets, Dwarves, in Musical Acts
- Jeanie Tomaini aka Bernice Smith , aka Strangest Married Couple in FREAKS, in Legless, in Limbless
- The Torp's Loppe Cirkus aka Willy & Else Torp in Flea Circus
- Walter Wanous aka Walter Wanous, Sr.
- William Durks aka Bill Durks, aka "The Three-Eyed Man", aka "The Man From World War Zero" in FREAKS, in Anomalies, in Craniofacial Anomalies
- Willie Camper aka Guicel Camper, aka "Wee Willie" in Giants
- The Great Wilno aka Human Projectile [d] in Daredevils
- Zandau aka Zandou, aka "The Quarter Boy", aka "The Turkey Boy", aka Johnny Gilmore, aka Zandu "The Half-Man from Morocco" in FREAKS, in Odd Extremities, in Legless, in Limbless
- Zaza Frazee aka Marjorie Sylvester Frazee, aka "World's Greatest Female Freak", aka "The Bald-Headed Bearded Lady", aka "Not A Half-Man, Half-Woman" in Bearded Ladies, in Half-Man Half-Woman, Half-And-Halfs, Hermaphrodites