What is dennis the gnasher?

Dennis the Gnasher is a popular comic strip character in the UK. He was first introduced in the Beano comics in 1951 and became the official mascot in 1974. The character is a mischievous and adventurous boy who is always getting into trouble with his dog, Gnasher. He has a distinctive spiky black hairstyle, a red and black striped jumper, and black shorts. Dennis often plays pranks on his enemies, including his rival Walter the Softy, and is known for his famous catchphrase "Gnash Gnash."

Dennis the Gnasher has become a cultural icon in the UK, appearing in TV shows, video games, and movies. The character has been featured in numerous spin-off comics and annuals, as well as merchandise such as clothing, toys, and stationery. The character has also been adapted into a live-action TV series and animated TV show. Dennis has entertained audiences for generations and remains one of the most beloved comic book characters in the UK.