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Jenner has been an Australian newspaper and magazine cartoonist for over twenty years, drawing professionally and non-professionally in both the Australian and US scene in the small amount of time outside his duties as a full-time doctor. He is currently working in a city general practice, and has adopted the anonymous pen name Jenner as an ethical courtesy. Although a daily strip on the Internet is four years old, his Doc Rat character has been appearing in medical and non-medical magazines for over a decade, including Bush Alert, vicdoc and the Medical Journal of Australia. Jenner currently editorial cartoonist for Australian Doctor Weekly.

Doc Rat is back in production

Doc Rat is back in production published on

Great news. Doc Rat strips will resume, from Monday January 5th, 2026. We’ll get back into the thrilling climax of the story of The Law of the Jungle. 

I know it’s been a wait, so I thank you for your patience. I’ve been dealing with illness and disability in the family and, although the condition is far from over, I’ve regained enough of my momentum to resume production. 

For the immediate future, I will be giving you three Doc Rat strips a week (Monday, Wednesday and Friday), with every sixth strip being a piece of interesting artwork, sketch or model sheet. It’s a slower rate than before, but you won’t be disappointed. 

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