With Greg Pickersgill, he was a leading light of "Ratfandom" in London in the 1970s. He produced two science fiction fanzines, Fouler (with Pickersgill) and True Rat, both noted for their acid humour. He also participated in the oneshot fanzine An Egregious Guide To The Conventions with Pickersgill.[2]
Kettle has authored and co-authored a number of books in the science fiction, horror, and humour genres.
He married Kathleen in 1985, with whom he has two children, Jennifer and Nathan, and lives in Hitchin, Hertfordshire.
Publications
Slimer[3] (co-authored with John Brosnan under the name "Harry Adam Knight"), Star Books (paperback) 1983, ISBN 0-352-31366-8
The Fungus[4] (co-authored with John Brosnan under the name "Simon Ian Childer"), Star Books (paperback) 1985, ISBN 0-352-31546-6
Tendrils[5] (co-authored with John Brosnan Grafton (paperback) 1986, ISBN 0-586-06437-0
Bedlam[6] (co-authored with John Brosnan under the name "Harry Adam Knight"), Gollancz (hardback) 1992, ISBN 0-575-04995-2; (paperback) 1993, ISBN 0-575-05347-X
The Dirty Movie Book[7] (co-authored with John Brosnan under the name "Leroy Mitchell"), Grafton Books (paperback) 1988, ISBN 0-586-06944-5
Future Perfect[8] (co-authored with Christopher Evans) Pitchblende Books (paperback) 2014, ISBN 9780992879006
True Rat: The Beast of Leroy Kettle[9] Ansible Editions (ebook) 2018, ISBN 9781913451394 (paperback) 2022, ISBN 9781471635489