Joel Rueben Madden is an American singer, best known as the lead vocalist for the rock band Good Charlotte. He is also part of the pop rock collaboration the Madden Brothers with his identical twin brother Benji Madden.

Benjamin Levi Madden is an American musician. He is the lead guitarist and backing vocalist for the rock band Good Charlotte—for which he has received various awards—as well as pop rock collaboration the Madden Brothers. He formed both of these acts with his identical twin brother, Joel Madden, with whom he was a coach on The Voice Australia from 2015 to 2016.