World Devastators? Those huge boxes that tore up the water planet? Would be interesting to have one or two in a map as an objective.
The Juggernaut's designs entered the Expanded Universe via Joe Johnston's sketches of an unused heavy assault vehicle intended for The Empire Strikes Back. It and its role in the film was replaced by the AT-AT.
Wedge: That armour's too strong for blasters!
Luke: Use your harpoons and tow cables!
Wedge: ...the F**k?
Luke: Yeah! Trip up the legs!
Wedge: IIt doesn't have legs, you idiot!
Dack: Sigh... no more juri juice for Luke.
Luke: ... 
"One of the bitches actually gave birth while she was attacking, and her puppies joined in on the carnage."
--the awesomeness that is Boatmurdered.