Look at the cartoon I did above left and here. Then check out the cartoon of Barack Obama above right by Andre Carrilho. You can see it's not a direct copy or replica, but you should be able to see that I have borrowed the lips and chin. Subtle but remarkable. I learnt how Carrilho does his Obama off by heart. By storing it in my memory bank of cartoons the visual vocabulary comes out in my work.
"Only those with no memory insist on their originality."
— Coco Chanel
"Imitation is not just the sincerest form of flattery - it's the sincerest form of learning."
― George Bernard Shaw
I looked at this process previously here where I explained how the work of Ian Knox comes out in my work.