... personality wouldn't do much against a lance battery strike, but the indestructible forcefield Doc Doom tends to place around the things he wants to keep might >.>
-*shrug*
Dunno. Nothing I've seen about Warhammer 40k suggests that they'd have an easy way to handle the bad Doctor, at least when he's not derailing himself after DAMN YOU RICHARDS!!! Granted, that's at least in part because superhero 'verses and dark SF tend to run on different tropes.
Frankly, Bugs Bunny or the Warner Brothers (and the Warner Sister!) could rip the entirety of the 40k 'verse a new one. As long as it was funny. It's one of the dangers of the crossover; if a character operates on different enough rules, importing them into a 'verse where those rules don't apply means you either don't really have the immigrant character (since they can't be themselves), or else that they haven't really arrived in the crossover setting (since the rules as fundamental as the laws of physics have been drastically changed).
Speaking of those settings which would annihilate 40k through sheer firepower...
There's Tengen Toppa Gurren Lagann as mentioned before; having mecha the size of galaxies tends to do that to any sane setting. The only people capable of keeping up with them would be the Orks, and only if you gave their Clap Your Hands If You Believe powers an upgrade to its Memetic Badass level.
I'm pretty sure Dragon Ball, by the end of Z had several characters powerful enough to casually destroy galaxies, which probably means that a large portion of the setting is F'd (who exactly it is and how large that portion is depends on which galaxy killing character we're talking about). Then again, that's a problem with any hypothetical Dragon Ball crossover, or really any crossover involving at least one Uber tier verse.
Obviously omnipotent characters like Haruhi, God ect would rip 40k a new one, but that goes without saying, and there's plenty of gods that are more powerful than those of 40k without even going that far.
edited 27th Apr '12 1:14:08 PM by Archereon
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What he said.
In the case of that latter class of characters, The Omnipotent, its less that they operate on the power of the warp than it is the warp operates on the power of them.
I could actually see Haruhi (for obvious reasons) not only surviving in M41, but thriving, due to her Nightmare Fetishist tendencies.
As powerful as the Chaos gods are, many of the deities of real world religion would slap them silly, especially if we're taking about God with a capital G. But that goes without saying.
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Even ignoring real world religions there's probably more than a few fictional deities that could slap them around with relative impunity. Tenchi-kami-sama, The Lord of Nightmares, Nyarlothotep and probably more that I can't think of at the moment.
edited 1st May '12 2:25:44 AM by KnightofLsama
The Chaos Gods aren't the strongest Gods out there but they might be untouchable. They don't have physical forms and are the manifestations of sentient emotion; there really isn't any tangible way to attack them short of the pre-Retcon Necron policy.
Politics is the skilled use of blunt objects.I'm pretty sure Kratos would have an absolute blast running around M41. He would quickly end up corrupted by Khorne though; who is about the only god around who wouldn't stab him in the back (if only because of a lack of creativity). Upgrade his equipment (via pulling them off the corpses of his horribly mangled foes) to present standard and he could probably face down Marine and Daemons without a problem; considering he pretty much wiped out his own setting's entire pantheon of Physical Gods.
Politics is the skilled use of blunt objects.... y'know, from what I know of Kratos and Khorne, it's a bit of an open question as to exactly how much difference it would make for Kratos to be corrupted by Khorne >.>
... oh dear.
Can you imagine some of the Discworld characters loose in the 41st? Vetinari would probably be running the place inside of a week, Rincewind would take to it like a terrified duck to evil water (he already thinks and acts like everything is trying to kill him, I'm not sure how much difference it would make in his lifestyle if everything actually was), and the City Watch... oi. Vimes would probably wind up as some kind of avatar of Law, and Carrot would probably replace the Emperor, given that I doubt that even the Grim Darkness of the Far Future could resist Carrot's supernatural 'Krisma'. And Susan would likely start some kind of revolution of common sense
Huh. Speaking of avatars of Law, one other character that would probably do just fine for himself (assuming he didn't end up on a Hive World or something) would be Judge Dredd. Would be rather amusing to see Tzeentch wind up talking to the fist...
Don't you mean Arbiter Foreboding??
edited 3rd May '12 1:39:48 AM by KnightofLsama
I just realized, that if Fridge Logic is applied to the reapers, they should be able to curb stomp anything short of the Time Lords. In both of their iterations (the dark energy motivation and the "Yo dawg, I heard you don't want to be killed by synthetics" motivation), their plans make literally no sense unless they're harvesting organic life across the entire universe. Mass relays also contain absurd amounts of energy; the relay network contains something like 7,900 years worth of energy production from a Type III civilization working at 100% efficiency; and that's Type III tech for you right there. Once you apply that to the entire universe, you get something even the Doctor would be a bit apprehensive about if it has the technology to match.
This is a signature. There are many like it, but this one is mine.If you apply logic, yes. Mass Effect is a space opera, though, and doesn't necessarily think through the implications of its technologies. For another example, the Federation from Star Trek is capable of containing the energy of an atomizing human body and reassembling it perfectly, and do so routinely; any civilization with that kind of technology would be so radically different from our own that I can't even imagine a TV Show about it. Likewise, there are a lot of things that the Reapers could and should be doing, but aren't and don't, and that's just the shape of the story.

Yeah, personality doesn't do much against a Lance Battery strike.
Politics is the skilled use of blunt objects.