Portrait of My Family's Cats

My sister adopted two cats Jojo and Athena last year after our old cat Momo died for breast cancer. We had Momo since she was a kitten, so her death was really traumatizing to our family. My sister, especially, couldn't stand the missing feeling of Momo at home. Not long after she brought two cats back. 
I haven't met Jojo and Athena personally since I'm in the U.S. But my sister asked me for a portrait of them for her birthday this year. So here it is: