Raising Picasso?

My 7 year old has a penchant for art. His drawings are always so interesting to me.

He did this self-portrait at 4:

This is a more recent picture he drew of Robin with "Bat" Man standing behind him. I love how he has perspective, and he can put items in the distance:

Lastly, he has been obsessed with drawing on the computer. He did this piece that I like to call "Gray.":

There are several artists in my family; my Aunt Susan, my brother, my sister, and my niece.  Maybe Son #1's destined to be one too.  Who knows?