The Man-Machine Menace!
"Two heads are better than one" - advice that Baxter Stockman took to heart (or would have, if he still had one), when he designed his new Baxterbot and Spider Walker body vehicles! All that was left of Stockman was his human head, that is, until recently, when he had to augment that last remaining bit of his humanity with robotic parts in order to create his Cyborg Baxter head! Clever Baxter designed the neck-mount of both heads to fit on both the Baxterbot and the Spider Walker bodies!
This includes the Spider Walker Stockman used in the Secret Origins episodes of the 2003 series, and the robot body Dr. Chaplin created for him first used in New Blood. Normal and cyborg heads were included to be placed on either body.