The Doctor is going to be the least fun because he knows over 5 billion languages without the TARDIS to help him. That said, he does NOT know sign language of any kind (It was replaced for semaphore, get a selection of flags!).
I'm considering handwaving that he doesn't know some 'typical languages' just to make it more fun. (IE: would he know 23rd Federation English? since that's from a different universe?) So if people have a preference for what he should/shouldn't know, I'm open to discussing that here.
Also, as a side-note: I'm still debating his canon point. While I needed to process some regeneration feels for myself, I'm not sure if that will be his canon point going forward, so if you have preferences for that too, I'm happy to hear them out.
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I'm considering handwaving that he doesn't know some 'typical languages' just to make it more fun. (IE: would he know 23rd Federation English? since that's from a different universe?) So if people have a preference for what he should/shouldn't know, I'm open to discussing that here.
Also, as a side-note: I'm still debating his canon point. While I needed to process some regeneration feels for myself, I'm not sure if that will be his canon point going forward, so if you have preferences for that too, I'm happy to hear them out.