end of series 4. He appeared briefly in series 5 when Basil mentioned that he has been snapped up by Hollywood. But this later reveals he is working at a Hollywood burger van. His cousin Liam arrives shortly after to take his place. He is usually referred to by Basil as "Mr. Stephen". Liam Liam is a distant cousin of Stephen's and replaces him as Basil's sidekick. He took the place of Stephen in the fifth series of the show and was part of the show from 2006 to 2007. Liam is just trying to get a hand of these exciting things which are yet to happen to him but all of it is a mystery. While Liam is still dumb in some aspects, he is quite a smart person; several episodes revolve around some of his near-impossible inventions like a time machine and a shrink ray; he is also good at chemistry. A recurring joke is he will make mention to some odd or absurd night class he has been to, with the line "I knew those (whatever is relevant to the story) night classes would come in handy." In the episode Ballroom Basil, it is stated that his surname is O'Dingleberry. He is played by Michael Byers. Dave Dave is one of the original characters that features in the old comeback. He is 10 years old in series 1 and 15 in series 6. He is regularly shown to have a flair for business, and has, throughout the course of the series, set up a media empire which was later destroyed by Basil and Stephen in the episode meeja mogul, imported stolen goods and even started his own television show; he is usually addressed as a 14-year-old multi-billionaire entrepreneur. He is portrayed by Michael Hayes. Molly Molly is Dave's older sister and Stephen's niece. She is 12 years old in series 1 and 17 in series 6. She is portrayed as the sensible character, trying to reason with the characters whenever they make a bad decision and can sometimes be very violent. Molly is one of the most popular characters on the show. She is very clever and very witty. From Series 5, Molly appears in only a few episodes as a recurring character, with Lucy partially replacing her character-type. Molly only appears in two episodes in the final season, in Ballroom Basil where she says she is