Weltall1 vs SSB:M Giant Bowser vs Wing Gundam

Feis Gear from Xenogears[earlier game not the godlike battleship thrower]

or

Giant Bowser that takes on Giant DK in a special battle on Smash Bros

or

Heeros Gundam in GW and the Gindam Fighter games

Choose a winner ^_^

Why not Giga Bowser?