Complex sentence: Bosco (born 25 August), the main character in the programme, is a small red-haired puppet, supposedly a five-year-old child with bright red cheeks and a real squeaky voice.
Split into simpler sentences: Bosco (born 25 August) is the main character in the programme. They were a small red-haired puppet, supposedly a five-year-old child with bright red cheeks and speaks with a real squeaky voice.