They are the earliest set of conjoined twins whose names are (purportedly) known. Lazarus and Joannes Baptista Colloredo (1617 — after 1646), autosite-and-parasite pair
Helen and Judith of Szony (Hungary, 1701 — 1723), pygopagus. Chang and Eng Bunker (1811–1874). The Bunker twins were born of Chinese origin in Siam (now  Thailand), and the expression Siamese twins is derived from their case. They were joined by the areas around their xiphoid cartilages, but over time, the connective tissue stretched. In 1834, a set of conjoined triplets were born in Cattania. Two of the heads shared a neck while the other head had its own. The infant, a male, was described by Galvagni. Millie and Christine McCoy (July 11, 1851 – October 8, 1912), (oblique pygopagus). The McCoy twins were born into slavery in Columbus County, North Carolina, United States. They went by the stage names "The Two-Headed Nightingale" and "The Eighth Wonder of the World" and had an extensive career before retiring to the farm on which they were born. Giacomo and Giovanni Battista Tocci (1875? — 1912? ), (dicephalus tetrabrachius dipus)
Josefa and Rosa Blazek (January 20, 1878 — March 30, 1922), pygopagus. The Blazek twins were born in Skrejšov, Bohemia (now the Czech Republic). They began performing in public exhibitions at the age of 13, and their act later included Rosas son Franz. The sisters died in Chicago, Illinois. Born 20th century
Daisy and Violet Hilton of Brighton, England (1908–1969), pygopagus. The Hilton twins were performers who played musical instruments, sang, and danced.
The Farrelly brothers film Stuck on You depicts Bob and Walt Tenor, conjoined twins portrayed by Matt Damon and Greg Kinnear. 2003. In Midnighter issue #13, Shock & Awe is a superheroine working for Los Angeles Strike Force. Delilah and Jezebel in video games Bully. CatDog depicts Cat and Dog, a hybrid of a dog and cat who are brothers. On a LeapFrog Enterprises commercial advertising the Leapster from 2007, a boy is constantly playing video games from the console itself. The more he praises the Leapster, the more he grows extra heads. Zaphod Beeblebrox is a character from Douglas Adams Hitchhikers Guide to the Galaxy, who has a second head along with a third arm. Vaka-Waka and Nurp-Naut in Cartoon Network and The Lego Groups Mixels. Fender and Bender (also known individually as HeadBanger) are characters in the 90s television series Toxic Crusaders, based on The Toxic Avenger films by Troma Entertainment. Fender is supposed to be a Mad Scientist while Bender is a Surfer. Dragon Tales, a childrens show, depicts Zak and Wheezie (voiced by Jason Michas and Kathleen Barr) as a two-headed dragon that are brother and sister making them dicephalic parapagus twins. In the Canadian mobile game My Singing Monsters, a bird-like species known as the Quibble is made up of elements Air and Water. The two-headed species plays a piano and has different colored feathers on both heads. The Simpsons features Hugo in "Treehouse of Horror VII", who is Bart Simpsons conjoined twin.