Admittedly, Danielle Fishel is the only one (https://www.reddit.com/r/boymeetsworld/comments/1q1ojd9/comment/nx7qok0/) with connection to every episode. Rider Strong and Will Friedle were only guest stars and Friedle did not last long in that writers room.

Go away Bot!!!!!!!

Danielle Fishel, Will Friedle, And Rider Strong Just Had A Surprisingly Intense On-Mic Debate About “Girl Meets World,” And They’re Not On The Same Page. Like, At All. (https://www.yahoo.com/entertainment/tv/articles/danielle-fishel-friedle-rider-strong-130502843.html)

Go away Bot!!!!!!!TJ does not consider TMC a bot. And I don't think he is either.