Dennis & Gnasher: Unleashed! is a British computer-animated television series based on the Dennis the Menace strip from the British comic The Beano created by David Law. The strip first introduced in 1951. It started airing on CBBC on 6 November 2017 and is the third animated adaptation of the strip after Dennis and Gnasher and Dennis the Menace and Gnasher. The series stars Freddie Fox as Dennis. A second series began on 13 July 2020. Plot The series follows 10-year-old Dennis the Menace and his dog Gnasher as he teams up with his friends Pieface, JJ and Rubi to cause havoc to Walter and Beanotown and Bash Street School, in a world full of action-packed adventure where rules just get in the way. Each episode also includes a short 2D section featuring Gnasher's fleas telling jokes. Characters Dennis (voiced by Freddie Fox in the UK dub, Bryce Papenbrook in the US dub): A 10-year-old prankster who loves to have fun and break the rules. His knack for tricks and pranks often get him in trouble. Gnasher (voiced by Boris Hiestand): Dennis' pet dog, an Abyssinian Wire-Haired Tripe Hound. Gnasher has teeth that can break through almost anything except titanium. If any of his teeth are removed he can grow them back in a day. Peter "Pieface" Shepherd (voiced by Ryan Sampson): A slightly dim-witted boy who loves pies. He has a pet potatoe called Paul. Jemima 'JJ' Jones (voiced by Kathryn Drysdale in the UK dub) or Jennifer 'JJ' Jones (voiced by Dorothy Fahn in the US dub): A fun-loving thrill-seeker who has four older brothers. She is African-British. Rubidium "Rubi" von Screwtop (voiced by Kelly-Marie Stewart): The daughter of Professor von Screwtop. She is ingenious and makes inventions. Mrs. Creecher (voiced by Joanna Ruiz): The elderly teacher of Dennis' class who has bad eyesight. Walter Brown (voiced by Rasmus Hardiker): Initially nicer, Walter now is cunning and ambitious, and wants to spoil Dennis' plans and is the main antagonist of the series. Bertie Blenkinsop (voiced by Rasmus Hardiker): Walter’s cowardly best friend. Wilbur Brown (voiced by Rasmus Hardiker): The mayor of Beanotown and Walter's father. Miss Mistry (voiced by Maya Sondhi): New teacher at Bash Street School, teaching Class 3C along with Mrs Creecher. Cast Freddie Fox as Dennis, the title character and a master of trouble. Boris Hiestand as Gnasher, his pet dog, who serves as a