Good Charlotte consists of Joel Madden, Paul Thomas, Billy Martin, Dean Butterworth and what current coach on "The Voice Australia"
Good Charlotte:  Since 1998, the band's constant members have been lead vocalist Joel Madden, lead guitarist and backing vocalist Benji Madden, bassist Paul Thomas, rhythm guitarist and keyboardist Billy Martin, while drummer Dean Butterworth has been a member of the band since 2005. Benji Madden:  Benji is currently a coach on "The Voice Australia".
Benji Madden