Which OCs would be a great relationship together but awful with anyone else?

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Which OCs would be a great relationship together but awful with anyone else?

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If your OCs were in a game with no voice acting but it had unique sounds that represent talking, what sounds would their speech be?
(if the wording is too strange to understand, think Don't Starve or Undertale)
When your OCs go out as a group for fun (shopping, going to the park), what roles does everyone go under?
(ex. person A has to keep person B and C from doing something stupid, person A is in charge with person B's wallet because they WILL bankrupt themself, etc etc)
Do any of your OCs have the cilantro soap gene? Do they mind the taste or do they like it?
What kind of parents would your OCs be like if they aren't already?
(Would any of them be the type to uptight or fun? Or be the kind to throw their kid into the wilds to "make them tough"?)

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Do any of your OCs inherit your own disabilities, such as physical (require a walking aid, missing limbs, etc) or mental (ADHD, autism, etc)?
Despite being human/humanoid, which OCs presents animal like features, behavior, etc?
Which OC could disappear for a month and come back with something changed about them?
Would anyone around them react? Do they do this often or does it just make sense that they would do it?