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-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Bayrooty Troupe aka Bayrooti Troupe in Acrobats, in Jugglers, in Musical Acts, in Ethnic Curiosities
- Percilla Bejano aka "The Monkey Girl", aka Percilla Lauther, aka Percilla Roman in FREAKS, in Hairy Folk
- Billie in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Ki Ki Blitz aka Ki Ki "The Man Monkey", aka "The Original Haba-Haba Man", aka Harry L. Blitz, aka "The Zulu" in Wild Folk
- Bobby Kork aka "Cherie", aka "A Study In Sex", aka "?", aka "Unknown Sex Family" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Chet Cain aka C.H. Cain in Tattooed People
- Chevalier Cliquot aka "The World's Greatest Sword Swallower", aka Frederick McLone, aka "The Human Scabbard" in Sword Swallowers
- Cipriano Maghanoy aka "The Philipino Wonder" in Armless, in Legless, in Limbless
- Myrtle Corbin aka Josephine Myrtle Corbin, aka "Four-Legged Girl", aka Josephine Myrtle Bicknell in FREAKS, in Extra Limbs
- Milly D’Arcy aka Nelly D’Arcy in WORKING ACTS, in Snake Acts
- Paul Desmuke aka Judge Desmuke, aka Peter Dismuki, aka "The Armless Wonder" in Armless, in Limbless
- 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
- Happy Jack Eckert in FREAKS, in Unusual Size, in Fat Folk
- Egoes aka "The Incomparable", aka "Armless Cartoonist" in Armless, in Limbless
- Elmer-Thelma in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Elsia "The Human Paradox and Physical Phenomenon" aka Elsia Baker, aka Elsie Stirk, aka "Two Bodies In One", aka "Nature's Strangest Vagary", aka "P.T. Barnum's Double-Bodied Woman" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Freddie Esele aka "Armless Wonder", aka Frank Esele in FREAKS, in Armless, in Limbless
- Frances "Half Man Half Woman" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Francette "Half Man - Half Woman" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Freda-Fred Van aka "Double-Bodied Wonder", aka "The World's Most Interesting Physique", aka "AKA Frances Ferrel", aka Fred West, aka Freddie West in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Delno Fritz aka Delmo Fritz, aka William Sherman Fritz in Fire Acts, in Sword Swallowers
- Gene-Jeanette in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Lucio and Simplicio Godino aka The Samar Twins, aka The Godina Brothers in Conjoined Twins, in Siamese Twins
- Gondio and Apexia aka Gondio Rao, aka Gondia and Lakine (Lukshana Bai), aka "The Boy With The Monkey's Head", aka "The Missing Link" in FREAKS, in Pinheads, Microcephalics
- Roy Heckler aka Herbert Leroy Heckler in Flea Circus
- Carrie Holt in FREAKS, in Unusual Size, in Fat Folk
- John Huber aka Jack Huber, aka “Terre Haute’s Armless Phenomenon” in Armless, in Limbless
- Frank B. Hubin
- Robert Huddleston aka The Pony Boy, aka Bob Huddleston in FREAKS, in Odd Extremities, in Camel Girls, Pony Men, Dog Folk
- Jenny Lee and Elvira Snow aka Zippo and Flippo, aka Pipo and Zipo, aka Pip and Flip, aka "Pinheads from Peru" in Pinheads, Microcephalics
- Josephine-Joseph aka "Brother And Sister In One Body" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Kiko and Sulu aka "PINHEADS FROM ZANZIBAR" in Pinheads, Microcephalics
- Krao aka Krao Farini in FREAKS, in Hairy Folk
- Lady Little aka "The Doll Lady" in Little People, Midgets, Dwarves
- Lala Coolah aka "The Man-Venus", aka "He, She, or It", aka Lalla Coolah, aka La La Koola in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- 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
- Lionette aka "The Lion Girl", aka 'The Lion Face Girl", aka Doris Gutterman, aka Dora Gutterman in Hairy Folk
- Madam Olga aka Jane Barnell, aka Lady Olga, aka Princess Olga, aka Lady Olga Roderick in Bearded Ladies
- Eddie Masher aka Skeleton Dude in FREAKS, in Human Skeleton, Living Skeleton, Thin Man
- Grace McDaniel aka "The Mule-Faced Woman", aka "World's Ugliest Woman", aka Grace McDaniels [sic] in FREAKS, in Craniofacial Anomalies, in Anomalies
- Martha Morris aka Margaret Morris, aka "The Armless Wonder" in FREAKS, in Armless, in Limbless
- Johann K. Petursson aka "The Icelandic Viking Giant" in FREAKS, in Unusual Size, in Giants
- Piramal & Sami aka Piramel & Sami, aka Piramal & Sami, aka Perumal Sami, aka Peroomal and Samy, aka "Double Bodied Hindoo Enigma", aka "Double Bodied Boy" in FREAKS, in Extra Limbs, in Parasitic Twins
- Prince Elmer aka Elmer E. O'Dell in Little People, Midgets, Dwarves
- Princess Valetta aka Valetta G. Smith in Little People, Midgets, Dwarves
- Prince Randion aka Prince Randian, aka "Armless & Legless Wonder", aka "The Living Torso", aka "Caterpillar Man", aka "Snake Man", aka "World's Greatest Living Wonder", aka "Half-Man", aka "The Hindoo Wonder" in FREAKS, in Armless, in Legless, in Limbless
- Ray "Half Man, Half Woman" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Roberta Ray aka Bobbie Ray in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Rosella aka "P.T. Barnum's Original Double-Bodied Woman" in Half-And-Halfs, Hermaphrodites, Half-Man Half-Woman
- Schlitzie aka Simon Metz, aka Slitzy, aka Schlitze, aka Slitzie, aka "The Last of the Aztecs", aka "The Missing Link" in Pinheads, Microcephalics
- Siah Khan aka "The Iranian Giant", aka Siah Khan Ibn Kashmir Khan in FREAKS, in Giants, in Craniofacial Anomalies
- Cliff Thompson aka Clifford Marshall Thompson in Giants
- 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
- Princess Wee Wee aka Harriet Elizabeth Williams, aka Princess Weenie Wee, aka "The Animated Chocolate Eclair" in FREAKS, in Unusual Size, in Little People, Midgets, Dwarves
- John Williams aka "Alligator-Skin Boy" in FREAKS, in Alligator Skin, Elephant Skin, Armadillo-Skin