Now according to Skylanders: The Book of Kaos, after losing his legs in his usual habit of misplacing things, Dr. Krankcase attempted in building a new set of legs. Eventually after designing badly-springed legs that caused him to get a serious concussion and ruined his hat, the mad doctor went back to the drawing board and built the wooden, spiderlike legs that he now scuttles around to this day.

So here's what Krankcase looks like wearing the badly-springed legs, that sure put him in a serious concussion, and also ruined his hat. LOL XD

This picture is drawn on Painting Workshop.

Dr. Krankcase © Activision

Painting Workshop © Collavier