John Wagner and Alan Grant are the creators of Judge Dredd, Strontium Dog and many others in the British Invasion of comics, from the 2000AD era. Each with decades of experience in comics, the duo have both worked independently for many publishers including Marvel and DC. John Wagner and Alan Grant are the creators of Judge Dredd, Strontium Dog and many others in the British Invasion of comics, from the 2000AD era. Each with decades of experience in comics, the duo have both worked independently for many publishers including Marvel and DC. Dan Cornwell a relative newcomer, discovered by John for his work on Futurequake press, Dan has found his feet with Rok and moved on to illustrate Judge Dredd for 2000AD