 Shearon is known for his work in the field of cryptozoology, most notably for compiling artists impressions, of the Beast of Lytham from eyewitness accounts.Shearon's cryptozoological art was on display at the 2005 Weird Weekend, an annual conference at the Centre for Fortean Zoology.His work can be found in publications of the "Fortean Times", "Paranormal Magazine" as well as the cover artwork for IDW Comics for the "Angel" series, "30 Days of Night", "The X-Files", Alan Roberts "Wire Hangers", H.P.Lovecraft's "The Call of Cthulhu", "KISS", "Mars Attacks", "Judge Dredd", "Hellraiser" and "Clive Barker's Books of Blood"and also horror magazine Fangoria's Trinity of Terrors.