He feels like such a presence and he's only been in two episodes!
So I've cleaned up the OP some, let me know if there's anyone I missed that should be in there somewhere. I also want to get some pictures in there, but it'll take a while unless someone wants to work something up. At least for now there's this
ETA: Okay gonna put it under a spoiler tag in case someone doesn't want to see costume/set/whatever from future episodes but OH MY GOSH has Ava grown!