I always liked the original voice of "Fred" on "The Flintstones," Alan Reed, and couldn't stand the "fake-Fred" that I heard on commercials in the '70s and '80s (after Reed died). NO ONE can replace Alan Reed. It was like Fred himself was dead.
Reed died in 1977, and that same year, "Fred Flinstone and Friends" debuted on ABC and lasted until the early 80s as a weekday show. But that wasn't the real Fred and I refused to watch it.
I wonder how that series would have fared if Reed hadn't died. He would have been able to voice the 1970s' and '80s' Fred!
How great that would have been!