David Mullen was the songwriter for the songs of Jonah: A VeggieTales Movie.
Later he became well known as a songwriter, music producer, and film score composer. He released his first album in 1989, and won the GMA Dove Award for New Artist of the Year in 1990. He later married fellow Christian singer Nicole C. Mullen, then recorded his last album in 1994. Since then, he has written and produced recordings for several other Christian artists, most notably his wife. He is best known for writing the LarryBoy Theme Song with Phil Vischer.
David & Nicole shared the 1998 Dove Award for Song of the Year (along with Michael Ochs) for writing the song "On My Knees" for Jaci Velasquez; Nicole later included the song on her own album. He wrote songs to Jonah: A Veggie Tales Movie and made the music for Chris Olsen's Threads: A Pond Full of Pigs. Most recently Mullen has been restoring an old recording studio in the historic district of Franklin, TN (300 Franklin) that he purchased with CCM veteran Toby McKeehan (Toby Mac, DC Talk).