Junkbot artist Andrea Petrachi has the true gift for conjuring the inner friendly robot from random piles of techno-detritus. A rare and increasingly valuable skill.
Dark Roasted Blend has a fantastic roundup of junkbots and other robotic ephemera and goodies. I'm really taken with
's creations, which really take advantage of the decay and use-marks on his found-object materials to make robots that have a lot of texture and implied history.
Utterly Irresistible Robot Sculptures
On Wired's Gadget Lab, a gallery of sculptures made from dead hard-drives made by sysadmin Miguel Rivera, including this wonderful junkbot.
Old Hard Drives Get Sculpted Into Cars, Bikes, Robots