Rich Pantaleo, a student at Carnegie Mellon University, built himself a 6-legged walking robot throne. Mr. Pantaleo has also uploaded instructions for how to make your own.
Hexabot is a robot I created for Making Things Interactive, a course offered at Carnegie Mellon University. Visit the course blog here: http://mti08fall.wordpress.com/
HEXABOT: Build a heavy duty six-legged robot [Instructables]