Strongest robot/mecha Super Galaxy Gurren Lagann can beat

Tengen Toppa Gurren Lagann and the Anti-Spiral have had lots of attention, but it's time for Super Galaxy Gurren Lagann to have a go. What is the most powerful mecha or robot Super Galaxy Gurren Lagann from Gurren Lagann can defeat? Feats for Super Galaxy Gurren Lagann...
Who can it take?

Qinglong said:

is ninaexafoe very high into galaxy or above mass energy of observable universe

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I don't think I got ninaexafoe for any of the calcs.

I did get both exafoe and ninafoe individually though. Exafoe is high galaxy level, while ninafoe is above the mass energy of the observable universe.

OtherGalaxy said:

Where do you stand on the "a universe for every cell in Simon's body" thing?
That's like 30 Trillion universes so decently multiversal if taken at face value. I remember Getter Emperor's bodies having annihilated millions of universes in the manga, so it could probably beat the Emperor but I'm skeptical of it beating something like Shin Mazinger Zero

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At the very least it would be the energy of a universe in each of his cells, but it could also be literal (it would back up certain visuals in KLK, but I feel I need more evidence). Simon also says it's the image he has in his head (so it's possible that's how he sees the energy, although he does have a form of cosmic awareness at that point, as he saw Nia on the Anti-Spiral Homeworld, so there's that to consider too).

In anycase it's currently it's sitting at multiversal (in the range of trillions to quintillions of universes, thousands at minimum) based off that and the Mega-Maelstrom Vortex Cannon.