Andrew Joyner is an illustrator and cartoonist published nationally and internationally in newspapers and magazines including The Sunday Age, The Age, Sydney Morning Herald, Sun-Herald, South China Morning Post, and Reader's Digest. He has illustrated books by humorists Ross Campbell and Wendy Harmer. The Terrible Plop was his first picture book with Penguin Books and most recently, he has produced a series of stories featuring Boris, a loveable Warthog. He lives in Strathalbyn, South Australia.