Now all you Wodehouse fans don't have a cow...
Dobie is not a copy of Bertie. Bertie comes from money, Dobie's parent run a Mom-an-Pop grocery store. Bertie has a continental charm, Dobie has a corn-fed earnestness. Bertie spends all of his time running from women, Dobie spends all of his time chasing girls. Bertie has Jeeves, Dobie has Maynard G. Krebs, and I think that says it all.
Though I enjoyed the series when I saw it as a kid (first run), I didn't really get much of the sweet heartache of the show until I was in high school and trying to catch the attention of my own Thalia.
Thing that I loved: Episodes opening with Rodin's "The Thinker" and Dobie trying to think his way out of his current situation...Dobie addressing the camera...Maynard's reaction to the word, "Work!"
Let me encourage anyone who can to get the short story collection by Max Schulman. It is a complete delight and gave me a real appreciation for how well the TV show adapted the tone and snap of the book.
Shulman also wrote "Rally Round the Flag, Boys" and "The Tender Trap" both made into enjoyable movies.