Retired engineer, cartoonist, automata and toy maker Roberto Lou Ma has designed a few more ramp-walkers. Among them is this PVC robot -- who has no problem marching to some seriously dramatic music! I makes me laugh every time.
In case you missed it, Roberto Lou Ma shared instructions on how to make a ramp-walking rhinoceros. The figure has a great design consisting of geometric shapes and straight cuts, so it is fairly easy to make.
Here's a link to the plans to make a ramp-walking wooden rhino.