Performers active
- Baby Thelma aka Thelma Williams in Fat Folk
- Percilla Bejano aka "The Monkey Girl", aka Percilla Lauther, aka Percilla Roman in FREAKS, in Hairy Folk
- Larry Benner in Flea Circus, in Ventriloquists, in Magicians
- 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-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Copper Rex Allen in Snake Acts, in Geeks
- David Logsdon "Linda Lopez" aka Linda Lopez, aka Lynn Lopez, aka Linda-Lynn in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Jose de Leon aka "Armless Marvel", aka Asencion H. De Leon in FREAKS, in Armless, in Limbless
- Diana D'Elgar "Sensation of Three Continents" aka "The Strangest Human Being Possible On This Earth", aka George Searles, aka George Val George, aka "Oola, The Ape Girl" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Francis Doran aka "The Original Maxine", aka Frankie Doran in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman, in Sword Swallowers
- Mildred D. Durks aka Mildred Lasher, aka "The Alligator-Skinned Girl" in FREAKS, in Alligator Skin, Elephant Skin, Armadillo-Skin
- William Durks aka Bill Durks, aka "The Three-Eyed Man", aka "The Man From World War Zero" in FREAKS, in Craniofacial Anomalies, in Anomalies
- 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
- Esther-Lester aka "Hermaphrodite", aka Eddie Lester in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Lorett Fulkerson aka "The Tattooed Lady", aka Loretta Love in Tattooed People
- Roy Heckler aka Herbert Leroy Heckler in Flea Circus
- Robert Huddleston aka The Pony Boy, aka Bob Huddleston in FREAKS, in Odd Extremities, in Camel Girls, Pony Men, Dog Folk
- Lady Little aka "The Doll Lady" in Little People, Midgets, Dwarves
- 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-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Louis-Louise Logsdon aka "Sex Enigma", aka Billy Logsdon, aka "Kentucky's Sex Enigma", aka Billy Logsden, aka Pinky Pepper in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Grace McDaniel aka "The Mule-Faced Woman", aka "World's Ugliest Woman", aka Grace McDaniels [sic] in FREAKS, in Craniofacial Anomalies, in Anomalies
- Johnny Meah aka "The Czar of The Bizarre" in Fire Acts, in Sword Swallowers
- 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
- Rosa Lee aka "Armless and Harmless", aka "Armless Wonder" in Armless
- 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.
- 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