Da Vinci- Painted the Mona Lisa, one of the most famous pieces of artwork of all time. You could also research the various inventions he designed and his work as a scientist (like his experiments in anatomy).
Michelangelo- Most well-known for painting the ceiling of the Sistine Chapel, and his various sculptures.
I'm sorry to say, but you have forgotten to attach the image! Please be sure to attach the image, so it can be an answerable question! Without the image, your question is unable to be answered.. :(
