The group enjoyed moderate success in Canada during the grunge/alternative rock heyday of the 1990s before disbanding in 1999.

Mike Trebilcock was also nominated for a Juno Award with Antoine Moonen in 1994, for "Best Album Design" for "Starry".

[6] In 2000, lead singer/guitarist Mike Trebilcock released a solo album entitled Shield Millions.

In 2011, The Killjoys were featured on a compilation entitled, "Today I Hate Everyone - Perfect Songs For A Crappy Day", alongside The Ramones, Ween and Hüsker Dü.

In March 2015, The Killjoys reunited for a show in Hamilton that coincided with the Juno Awards being held there that month.

Mike Trebilcock is the band's primary songwriter, and he plays guitar and sings lead vocals.