You started it with Jensen! The muse just decided to eat my brain there until I wrote him out. ^^! Mischa kind of makes the best John Dawlish ever.
Roger - John is never going to admit, but Roger was his favorite trainee. I'm more than sure there will be ridiculousness with these two. They'll bond over cheeseburgers, other greasy food and possible hero-complexes. John is thankful for this, but he won't admit that either. Stubborn man. Hey, a little bit of bitterness can be healthy...ish. Maybe.
Arden - I don't think John would have any problem either. He might be watching her carefully, because she is the daughter of the Minister and that can be a good thing or a bad thing during this time. John isn't sure. He will be civil with her, since he does like being alive.