[He could be very serious. In fact he wouldn't really admit that he could be anything else, but he did find the antics of the younger paladins amusing. The food goo fight as a way to get back at Allura for all of "bonding" exercises she had made them do for example, complete with big dopey grin at how much fun it had been to do something so silly]

Unfortunately yes, he frequently is. Not all the time.

[Keith's temper maybe him appear grumpier than he was. If she had met him soon after arriving, he wouldn't have been in the best mood and could have been rather threatening because that's unfortunately what Keith did. At least since they were both here, Keith would feel more at ease]

Hmm... that would be the most ideal. I don't know much about how this place works and what the odds are of getting it. I would like to see it though if it does show up.