The Arachnorod, designed by Phil Rheilmann was released as First Edition #34 in 1998.
There are probably about 20 more variations from usage in the main line, five packs and some special deals.

The Archnorod feature dual jet engines with the nozzle section and turbine blades visible in the exhaust

A prototype Arachnorod from the 1998 HWNL Convention Charity Auction, signed by the designer

The blank (no text) base of the prototype

Some recent variations