Kev started his comics career in the mid-1980s, working as a penciller on the Marvel UK strip Zoids. Work for various titles followed, including Action Force, Doctor Who and 2000 AD, where he co-created the series Night Zero. He went on to a three year stint as penciller for Iron Man for Marvel in the US. During his tenure he co-created the character War Machine, who has spawned numerous spin-offs and made major appearances in the Iron Man movies.

Kev currently divides his time between working in comics and the wider world of children's illustration. Past and current clients include Marvel Comics, Games Workshop, Oxford University Press, DC Thompson, BBC Worldwide, Macmillan, 2000 AD, Franklin Watts, Pearson, Barrington Stoke, Real Reads, Cambridge University Press, Eaglemoss, Usbourne and Badger Publishing.

He works from a studio in Crystal Palace and lives in Bromley with his wife, three children and two cats.