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
Toxic Twins one of the duo's main influences, the "Glimmer Twins", the nickname for Mick Jagger and Keith Richards of the Rolling Stones. Additionally, it may have inspired other musical nicknames, like the "Terror Twins" - Def Leppard's Phil Collen and Steve Clark; and "The Muddy Twins" - Hanoi Rocks' Michael Monroe and Andy McCoy as well as the "Liverpool Twins" John Lennon and Paul McCartney, and the "Jersey Twins" Jon Bon Jovi and Richie Sambora. Mötley Crüe's Nikki Sixx and Tommy Lee were also known as the Terror Twins. Toxic Twins The Toxic Twins is a nickname given to lead singer