Hexapod: a creature with six feet. Any arthropod of the class Hexapoda. In other words, an insect.
Though he only has two feet, Marvel has brought a “hexapod” hero to the big screen: https://youtu.be/xInh3VhAWs8
Hexapod comes from the Greek word ἑξαποδία (hexapodia), meaning “six- footed”). The word ἑξαποδία is a combination of ἑξα (hexa), six and the Greek word for foot, ποδός (podos).