Quote Originally Posted by KPCoyote View Post
The only evidence other than Ink showing the left side of his head are pictures of KC during a season finale where he dresses up as Ink and had the markings put on him just like Ink does. The pictures show it on the left side of his head.

KC, care to confirm?
P7191098.jpg

That was the first thing I checked. Alas, I only took a picture of his right side.