Anthony Senter and Joseph Testa, better known the Gemini twins are former members of the DeMeo crew in the Gambino crime family. In 1989, both Senter and Testa were found guilty of racketeering and 10 counts of murder and both were sentenced to life in federal prison.

http://bloodlettersandbadmen.com/2015/03/the-gemini-twins-roy-demeo/