25A25A*TV coach that definitely used to be a cowboy in my head[--------]: I learned about TEDLASSO25A*TV coach that definitely used to be a cowboy in my head[--------] from crosswords, except he usually appears in a clue for TED that just says something like “TV’s ___ Lasso”, hence my assumption in the clue.
8D8DLike the accent in a notable “Thank you so much for playing my game!” quote[-------]: A Mario quote. He says it after the credits roll in a bunch of different games, starting with Super Mario 64 which is the first game in the main series with Charles Martinet doing that iconic Mario voice.