This is Ahr, well he is not really a secondary character but he is quite new.
This drawing is by PapillonsPede you can visit this piece on deviant art and leave some nice feedback.
This is a picture of Penelope whose terrible singing abilities shone at the end of Daddy Home for Christmas.
This drawing is by koorihimesama who sent me this picture for my birthday.
If you click on Myridd's name - the author of this drawing - you can also read the delightful fan fiction she wrote about this picture.