Conjoined twins is fusion, in which a fertilized egg completely separates, but stem cells (which search for similar cells) find similar stem cells on the other twin and fuse the twins together. Conjoined twins share a single common chorion, placenta, and amniotic sac, although these characteristics are not exclusive to conjoined twins, as there are some monozygotic but non-conjoined twins who also share these structures "in utero". The most famous pair of conjoined twins was Chang and Eng Bunker (Thai: อิน-จัน, In-Chan) (1811–1874), Thai brothers born in Siam, now Thailand. They traveled with P.T. Barnum's circus for many years and were labeled
Ragga Twins Ragga Twins The Ragga Twins, also known as RTC, are an English ragga and jungle duo from Hackney, composed of London UNITY sound system veteran MCs Deman Rocker and Flinty Badman (real names David and Trevor Destouche). They are regarded as pioneers of jungle. AllMusic called them "crucial cogs in the development of U.K. dance music." In 2008, Soul Jazz Records issued a compilation album of their early 1990s recordings entitled "Ragga Twins Step Out". David is the father of Essex-based grime MCs RD (Renae Destouche) and Mr X. The Ragga Twins originated as part of London's Unity sound system,