Who is the actor known for voicing multiple iconic characters including Barney Rubble and Mr. Spacely?

The correct answer is Mel Blanc, who is renowned for his extensive work as a voice actor in animation. His talent for creating distinct and memorable voices allowed him to bring to life several beloved characters, including Barney Rubble from "The Flintstones" and Mr. Spacely from "The Jetsons." Mel Blanc's ability to capture the essence of these characters through his vocal performances significantly contributed to the popularity and enduring legacy of the shows they were part of. His work not only showcased his versatility but also set a standard in the animation industry for voice acting, demonstrating how a single voice could help define a character and enhance storytelling. His influence is still felt today, as many voice actors cite him as a major inspiration in their careers.