In the final episodes of Mobile Fighter G Gundam, all countries banded together and launched a formidable campaign against the Devil/Dark Gundam, the size of which at that point could be measured in miles. Imagine that Galactus is weak enough that he can only rely on his technology to invade and devour Earth. Could the World Gundam Federation successfully defend Earth from the Devourer of Worlds?

I also noticed something of a similarity between Gah Lak Tus and the Devil/Dark Gundam, namely that they both have nanobot-based capabilities and assimilate life into their own chains of command. One thing to note about the Devil/Dark Gundam was that it converted an entire space colony into its body. It was like an organic form of life in the way it morphed body parts and had smaller units that acted like an immune system. It is more like the Devil/Dark Gundam than Galactus and would be a closer match given that it is not a cosmic entity. Imagine it's attacking Earth and needs to be fought in space like the Devil/Dark Gundam. Could it be beaten by the World Gundam Federation?