Which will be the last mecha (piloted) standing in a Battle Royal-style match?
My bet's on Gurren Lagann because it's outrageous. Or did I miss out any other contenders.
Macross
This is the Macross VF-25 Alto Custom Mecha, although it's only an action model.
Wing Gundam Zero from Endless Waltz
Robocop
Matrix APU by kehlan
You can even download a Sketchup model of it (not by him)
Mecha from Avatar movie
Mecha from Neon Genesis Evangelion
Iron Man
Gurren Lagann
Appleseed
Patlabor
Juggernaut from Command and Conquer 3 Kane's Wrath
Personal mechas designed by other artists
M-tank by SpiderPrince
Sequester from Keith Thompson
Kerensky Mech by Gridlinked
This turned up with a "district 9 mecha" search. Not sure who did it or if it's from District 9.
Light mech thing (mecha) by flyingdebris
Warlands lotech mech by Dmitrys
Mobile Tesla Suit by KaranaK
Search and Rescue Mech by dangeruss
NASA Mech Prototype by Marrekie