G.H.O.S.T.

G.H.O.S.T. is the mechanostrider companion of Fizzi Tinkerbow and accompanies her throughout the Heritage of Gnomeregan questline. He first appears next to Fizzi in New Tinkertown for Gnomeregan's Finest, followed by the Fizzcrank Airstrip in the Borean Tundra for A Tundra Conundrum and the Terrace of the Makers in Storm Peaks for Gnomercy!, and finally, he accompanies her in battle in the Halls of Stone during For Gnomeregan!.