Premise: Joel Rueben Madden (born Joel Rueben Combs; March 11, 1979) is the lead vocalist for the American pop punk band Good Charlotte, as well as a record producer, actor, DJ, and UNICEF Goodwill Ambassador. He is also part of the pop rock collaboration The Madden Brothers with his twin brother Benji Madden.
Hypothesis: Benji Madden is the vocalist for Good Charlotte.