"You know it's my job to visualize, what is literal or audible, so I designed all the characters, and I designed what they do and how they should do it and so on"

Gerald Scarfe is describing his job as an illustrator and cartoonist. He is stating that it is his job to take what is actual or audible and turn it into a visual representation. He is accountable for producing the characters and their actions, in addition to the general feel and look of the illustrations. He is stressing the importance of his task in producing a visual representation of the actual or audible. He is also stressing the importance of his task in creating a graph that is real to the initial source material. He is saying that he is responsible for developing the characters and their actions, along with the general look of the illustrations. He is emphasizing the value of his task in developing a graph that is true to the initial source material. He is saying that he is responsible for developing a visual representation that is both precise and visually pleasing.