He's artistic. He's creative. He's obviously too young to grow facial hair. So he improvised. The cool blue soul patch? It's a foam letter "U" from one of Seth's puzzles. A few minutes later, it became a pirate earring.
This is classic Ian. The in-your-face pose. The inside-out t-shirt, because details like putting your clothes on correctly are just too mundane for this kid. That's my boy. That's my Ian.