Here is Johnny's profile sheet, all inked and colored. I've got quite a few more to go. Squee, Mar, FillerBunny, heck all the JTHM and Squee characters that appear. The official Invader Zim characters such as Zim, DIb, Gaz, etc, will have them too, just not as layed out since we already know what they look like front and back. This is only for animating purposes only.
PS: He is only 5 foot 9. The scale appears to be off.