One morning back in 1988, Trix Worrell sat on the top-deck of the number 36 bus going from Peckham to Central London. The young St Lucia-born writer was a worried man. He had just won Channel 4’s debut writing competition and had been invited to meet distinguished TV producer Humphrey Barclay and talk about making a new black sitcom. He had no idea what he was going to pitch to the producer and had never even written comedy before. As the bus stopped at the traffic lights on the Queens Road, he noticed a West Indian Barber shop.