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Anonymous1: I guess spider doesn't have puss puss.
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matankoMan: Spider?
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Anonymous2: Muffet!
And also... Mettaton is a guy, not a girl... shouldn't this have rule 63 tag?
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Ad0lf_Hitler: @Anonymous: Mettaton is a robot so "he" has no gender to begin with.
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Anonymous3: Yea meta ton itself is just the body, but the ghost inside it is female (sorry can't remember the name) you learn about this in the house next to nabbstablok
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FloatingWeiner: It is Rule 63. Next time, check the wiki.

Also, I know one of the yellow ones is Alphys, but is the other one supposed to be Monster Kid? No source, so I can't check.
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dugong_operation: The ghost characters are referred to with they/their/them pronouns. mettaton being a female ghost is some dumb fan misconception, just like sans remembering the resets.
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DarkThSloThArT: Woooow Dugong. Either way, the pink-purple ghost before it was Mettaton doesn't even have a fucking gender, its a ghost. Can people just stop and appreciate the art?
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Anonymous4: So I just want to point out Toriel is a mother
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Anonymous5: that is why it does not look as tight
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RioluDen: Coming in... Toriel, Frisk and Alphys both have orange skin, Chara had the white skin right? Undyne, and Mettaton.
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Anonymous6: *makes rule 34 picture*

EXPECTATION: noice steamy stuff mate
REALITY: GENDER THIS GENDER THAT BLAHBLAHBLAH

JUST ENJOY IT!
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Latimew333: Anon 5, vaginas don't get stretched out, the artist just gave her large labia.
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Anonymous7: I want undyne x mettaton now....
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Marcovee4: Don't know why y'all are complaining.
All of those pussies can get eaten
ESPECIALLY Metta's

and with those heels on?
Unf
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Anonymous8: @Anonymous: that's mettaton
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Anonymous9: Mettaton's actually a guy, they are just feminin
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Anonymous10: half of these ppl have nails or claws of some kind. ouch
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Anonymous11: Da gender! Da gender! Blah blah! I know, i can't annoy people through the internet
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Anonymous12: Hello internet traveler, if you see this, then man, you are definitely something. Well, before you is an argument that fizzled out almost 2 years ago, saved here with the rule34 post of Undertale vaginas. Farewell weary traveler, I hope you accomplish what you set out to do.
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Anonymous13: technically mettaton can identify with whatever and have whatever alphys can just modify him with whatever part he pleases so like JSDGKG it doesnt matter
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Anonymous14: What about joe?


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