Related Information for Mongrel There are at least three bands called Mongrel: a punk band from the U.S., a hip-hop/indie rock band from the UK, a german punk/hardcore band from Munich and last but certainly not least a Canadian one man project who recorded the self titled album "Mongrel" which can be classified as stonerrock.Mongrel from Eastern Massachusetts are a metal- and hard-rock-influenced punk band formed in 2003, with vocalist Jessica Sierra, guitarist Adam Savage, bassist Rev, and drum.. read more