Lotus is the junior partner of the firm and succeeded his father once he had retired. Colin is very proud to be a solicitor and is enthusiastic about his work but unfortunately he is naive and very often makes stupid mistakes and it is usually down to Bob to sort out the mess he has made. He is very helpful to the rest of the firm despite the fact that they all think he is annoying and that he is very strange. He is a bachelor who only has his dog Tucker for company, Tucker who was called Malcolm appeared in the first episode of the series 'Death In Hounslow'.