Talk:Richard Harmon/@comment-73.25.69.82-20170416050201/@comment-27794543-20170417041051

Feel free to google for the announcement date & details.

But the only proof needed for the wiki is the episodes themselves. The episodes' credits always include the "starring", "guest starring", and "co-starring" cast. In the first two seasons, Richard was always credited as "guest starring". Then, starting with the third season, he was credited as "starring" in every episode. This wiki determines if a character is a main character based solely on how the cast member was credited. Only "starring" cast members are considered "main". Thus the fact he went from "guest starring" in season two to "starring" in season three, is sufficient proof that he joined the main cast in season three.