Thornhill was born in Barking but raised in Rayne near Braintree in Essex, and grew up as a football and James Brown fan.

[citation needed] He joined the Prodigy along with Keith Flint and Maxim Reality after they met Liam Howlett at a local rave club The Barn.

[citation needed] His latest project is the creation of nu skool breaks record label Electric Tastebuds.

Thornhill set a release date of 24 October 2024 for his memoir Wildfire: My Ten Years Getting High in the Prodigy.

The announcement stated that the book plans to chronicle the decade he spent in the Prodigy, along with a personal collection of photographs.