In episode 72, Chuck talks about drop-in characters! These characters are usually best friends and/or neighbors who drop-in often on the main/title character(s). Chuck was a drop-in character when he was younger. Anyone else? Some of these drop-in characters have been mentioned in previous episodes: Ed Norton, Rhoda Morgenstern, and Phyllis Lindstrom. Chuck was originally going to talk about this TV trope as one of several, but he decided to focus on the drop-in character. Tell Chuck about the drop-in characters you remember/like that he did not mention!