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
The Shane Twins Assault member attacked them. On January 18, 2007, WWE announced that they had released the twins. The Shane Twins The Shane Twins (born December 21, 1967) are a professional wrestling tag team that consist of twin brothers Mike and Todd Shane. They were best known for their appearances in World Wrestling Entertainment (WWE) as Gymini. After being trained at the Malenko School of Wrestling in Tampa, Florida, The Shane Twins debuted in the Florida based IPW Hardcore Wrestling in 1998 managed by Sir Ronald J. Niemi IV. They were originally known as "Biff Wentworth" (Mike) and "Chaz Wentworth" (Todd), collectively