With a good group of original songs, and great chemistry, Zack and Chris began collaborating and writing songs together. Soon, Chris would purchase a PA system for them to utilize in performances, the first of which would be hosting regular open mic nights at Jim Cullems the Landing, one of the oldest Jazz clubs in the US.
The band was officially founded with the addition of Jimmy Bramble as the drummer later in 2011, with the bands first full gig at the Broadway 5050.
havoc wagon has been highly touted as a very versatile band, with a wide range of influences that spans multiple genres.
After a move to Houston, the band added Stewart Nixon in 2013 as an additional writer and keyboard player. He remains active with the band but is now a part time performer.
In 2017, the band added Curran Guiney as an additional guitarist and writer.