Dave Walker is a freelance cartoonist specialising in church and cycling-themed cartoons. He started drawing cartoons when he should have been concentrating on theological lectures at college, and his drawings have now appeared each week in the Church Times for ten years. He has drawn cartoons for The Guardian, Christian Aid, Greenpeace, and Cycling Weekly, among others. He runs a number of cartoon websites, including cartoonchurch.com, which supplies ecclesiastical cartoons for church magazines.

Dave lives in Essex, where he is on the steering group for a Methodist chapel, The Fishermen's Chapel in Leigh-on-Sea.