Related Information for Tijuana Sweetheart Tijuana Sweetheart (formerly known as Vagiant and Vagiant Boston) is an American all-female punk rock band from Boston, Massachusetts. The band was initially formed in 2005 by four employees of the gaming company Harmonix after Helen McWilliams (stage name Hellion) sent around an email to the entire company.Since forming, the band has gone under several member changes leaving McWillliams and LoWreck as the only remaining original members. Most of their notoriety has come from the inclusio.. read more