Omg this is such a fun question! I’m sorry for taking relatively long to reply, but I just had to draw illustrations for this *v* (which took longer than expected, between studying for finals and all that).
My first mental response to this question was that I don’t ship my characters with other people’s characters. Then I suddenly realized that wait, I do ship some of my characters with other people’s characters. And then the headcanons jumped me, so be prepared for a lot of rambling:
Non-canon ship #1: Spookybelle’s Lydia/Silvano

OK, aside from the undeniable fact that this pairing is pretty damn classy and hot, I actually have an entire headcanon for them. Be prepared. Let’s just forget that Hemhem and Silvano don’t actually survive the HH canon and let’s pretend Mr. Savage and Lydia don’t have a thing (I ship that too, by the way). I can imagine that if Silvano and Lydia miraculously escaped the hotel, they’d be in a relationship for a while. Silvano is not Lydia’s type and Silvano wouldn’t actually love her (because he knows he cannot and will never love her the way he loved Narnar), but the fact that they can be some mental support for each other (having survived the same nightmare) and simply HemHem’s existence would probably bring them together for a while.
Lydia would be the best possible partner for Silvano: someone who is down to earth and doesn’t take his bullshit. Someone who doesn’t let herself be manipulated or lied to. I think she could turn Silvano into a relatively decent person. Together they’d be great parents for HemHem. At some point they’d realize that them together just doesn’t make sense and break up, but they’d always be very close friends and both would continue to take care of HemHem.
That’s my AU of an AU fldasf;ljkafs;jafd
Non-canon ship #2: Selene’s Eddy/Raul

I mean, come on guys, come on. Aside from the tiny, unimportant detail that they’re both relatively heterosexual (well, Raul is asexual, but I’m pretty sure Eddy is heterosexual), this is a match made in heaven. Two guys of the same age, who can be gigantic assholes but really do have their heart in the right place and (most importantly!) have an undying love for SCIENCE. It’s perfect in every single way.
They’d have so much fun together, fangasming over each other’s intelligence, inventing things, blowing things up, just being assholes together. Even if they don’t work as a pairing, they’re totally a broTP of mine :’D Though I believe I read somewhere that Eddy hates being around people his age, but let’s just ignore that for the sake of bromance.
Non-canon ship #3: your Face (as in the character, not your face)/the Tegus Erdene

Last but not least! Yep, thanks to you I do kind of “ship” Face and the TE. I think she’d be freaked out by him at first, but then she’d just be fascinated. She’d find his maturity and intelligence to be refreshing (thinking she’s an ancient divine being, she often feels like no one is on her level of mental development. Face being pretty ancient as well would make him very interesting to her. Not that she’d see him as an equal or anything, baka).
Of course, this Tegus Erdene is very conservative and moralistic, so she really wouldn’t start a relationship with someone who is not an Erdene (and Face could never be an Erdene, not being a Northerner and probably not being able to make babies, ahaha). So yeah, they’d be bros. Awesome bros.
It seems all my ships end as broTPs, fff.
I HOPE THAT ANSWERS YOUR QUESTION. I’M SORRY IF MY HEADCANONS OFFEND ANYONE. THOUGH I HONESTLY REGRET NOTHING *rolls away*
Spezzy you are a beautiful person. MY NEW BROTP. <333 They both just tell it like it is and dammit things just don’t get done unless you’re an asshole. >:C So say them. This is time for SCIENCE not the feelings.
If biology were in their favor they would have beautiful asshole babies together wait that doesn’t sound right