DC Thomson's The Beano has partnered with Digital Giving's fund raising initiative T-Shirt Booth in order to help raise support for Yellowball Foundation.
Dennis the Menace and Gnasher have joined a growing cast of T-Shirt Booth characters, including Bananaman, ITV Text Santa, Dinosaurs and more.
Shoppers can help support the Yellowball Foundation by purchasing a t-shirt featuring Dennis and Gnasher.
Customers can download the app, follow the steps to create their own t-shirt with the chosen character, the logo of the affiliated charity, the customer's photo and their chosen message.
The Beano editor-in-chief, Mike Stirling, said: "At The Beano we are really pleased to be partnering with Yellowball Foundation on this initiative.
"Dennis and Gnasher have assured me that they have not been menacing behind the scenes at T-Shirt Booth, although if you believe that, you will believe anything."
Dean Horridge, founder and CEO of Yellowball foundation, added: "We are very excited about the T-Shirt Booth partnership with The Beano.
"This partnership will give many underprivileged children and young people the opportunity to take part in activity sessions across the UK with the objective of creating positive life changes.
"These sessions will educate children and young people on the benefits of healthy lifestyle while increasing their self esteem and self confidence. Money raised will be matched funded by my company Fit For Sport."