<Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2014) (Learn how and when to remove this template message) </Td> </Tr> </Table> <Tr> <Td> </Td> <Td> This article needs additional citations for verification . Please help improve this article by adding citations to reliable sources . Unsourced material may be challenged and removed . (July 2014) (Learn how and when to remove this template message) </Td> </Tr> <P> Switched at Birth is an American television drama series centering on Bay Kennish and Daphne Vasquez, who at the age of 15 learn that they were switched at birth . The wealthy Kennish family must struggle with the fact that their biological daughter is deaf from having meningitis as a child and must accept the character of working - class, recovering alcoholic Regina Vasquez, Daphne's single "mother ." Bay and Daphne attempt to find out how their lives would have been if they hadn't been switched . The one - hour - long series premiered on June 6, 2011 . </P> <P> Played by Vanessa Marano, Bay Madeline Kennish - Vasquez (born Daphne Paloma Vasquez) is the rebellious legal daughter of John and Kathryn Kennish; and biological daughter of Regina Vasquez and Angelo Sorrento . Bay is often bratty, which tends to lead to most of the conflicts within the series, especially with her boyfriends and Daphne . She is shown to be a talented graffiti artist . In the pilot episode, Bay, upon learning that she does not share the same blood type as either of her parents, visits a geneticist with her parents . It is then that they are informed that there was a mix up with two babies at the hospital, and that John and Kathryn are not her biological parents . The discovery of the switch leads Bay to question her entire upbringing, resulting in her breaking up with her boyfriend, Liam and getting arrested for attempting to buy beer with a fake ID . </P>

Who is the main character in switched at birth