Doreen: Arthur Sleep's coworker. Her arm only appears. (Infrequent in Series 1 and 2, regular in Series 3 - present)

Ug and Ig (Series 3), a caveman duo. Ug (Justin) always tries to invent something and often fumbles with it due to his strength, and Ig (Freddie Butterfield) has to always end up helping him. Their inventions, in doing so, are never used as how they were originally intended to be. Ug only speaks in gibberish sounds while Ig doesn't speak. Ig is a child.Dan Step (Series 3-present, GiggleQuiz), a tap dancer who often gets confused. He doesn't speak. The only GiggleQuiz episode he appeared in was The Lost Pirate's Treasure. The first series was broadcast in September 2009, comprising 25 13-minute episodes and 20 characters each. The first episode premiered on 7 September 2009. A Christmas special was broadcast on 15 December 2010. The second series comprised 15 episodes being broadcast in January 2011 and saw several characters disappear to make way for five new ones, replacing them. The spinoff quiz show GiggleQuiz came after Gigglebiz, premiering on 28 October 2019 and later in December 2020. Keith Fitt (Series 2-present, GiggleQuiz), a Geordie sports instructor whose "20–year" experience hasn't gained him any skills. Keith is one of the team captains in GiggleQuiz. When the showdown starts, a timer usually appears in the bottom left corner of the screen, however it didn't appear in "A Giggle Quizmas". Dina Lady (Series 1–2, 4-present, GiggleQuiz), a homely cook who takes the names of dishes to their very literal meanings and whose assistant is Tommy Tummy. In Series 4 Dina became the host of a Great British Bake-off-esque show, with Tommy as her co-host. In Series 5 Dina became the delivery driver for a catering company.

Tommy Tummy: (Richard Sutton) Dina Lady's assistant who knows more about cooking than Dina Lady. (Series 1, 2, 4 and 5)King Flannel's Butler: (Simon Grover) King Flannel's long-suffering butler who tries to keep him in line - but not always successfully. (GiggleBox Pilot Series 1, 2, and 3) Lady Chatalot: (Julie Alanah Brighten) King Flannel's friend. Flannel is always jealous of her and gets more than Flannel does. (Recurring in Series 1 to 2, regular in Series 3) DIY Dan (Gigglebox Pilot, Series 1, 3-present), a clumsy DIY enthusiast. He is described as television's worst DIY expert and his stuff is grist to his DIY mill. He doesn't speak and his segments instead feature a narrator, however in the Gigglebox pilot, he did speak and was named Andy Guy. Arthur Sleep (Showreel, Series 1-present, GiggleQuiz), a newsreader of a Northern origin who is a bad joke-teller, is always falling asleep, and is also the host of GiggleQuiz. Additionally, he appeared in the "Justin Time" showreel.