David Paden Marchand, known professionally as Davey Havok, is an American singer and musician who is the lead vocalist of the rock band AFI, the synth-pop band Blaqk Audio, the hardcore punk band XTRMST, and the new wave band Dreamcar. Among various other ventures, he performed lead vocals for Son of Sam's debut album and for fictional band My Purple Agony in the animated series Harvey Girls Forever!.

AFI is an American rock band from Ukiah, California, formed in 1991. Since 1998, it consists of lead vocalist Davey Havok, drummer and backing vocalist Adam Carson, bassist, backing vocalist and keyboardist Hunter Burgan, and guitarist, backing vocalist and keyboardist Jade Puget. Havok and Carson are the sole remaining original members. Originally a hardcore punk band, they have since delved into many genres, starting with horror punk and following through post-hardcore and emo into alternative rock and gothic rock.