Shitmat is used as a pseudonym by artist Henry Collins, who also uses monikers such as Kyler, Armand Van Hard-On and Misty Conditions.

[3] He became known for his mashup productions which blended jungle, breakcore and plunderphonics, released on Ad Noiseam, Planet Mu and his own label.

[4] In the 2016 release Killababylonkutz 2, Collins produced eleven different tracks all featuring the Baby Cham vocal "Babylon Bwoy", combined with the Ghostbusters theme tune or music from Slayer, Vengaboys and NOFX.

[5] Shitmat termed this genre "mashcore", as represented by the track "There’s No Business Like Propa' Rungleclotted Mashup Bizznizz", played by John Peel.

[13] Shitmat announced in December 2012 that he was ready to kill off his moniker, stating "It’s basically time for me to move on, progress, evolve and let the other music I make take the front seat.