Don Messick has 116 credits at Criticker, including: The Flintstones, Jetsons: The Movie, Scooby Doo, Where Are You!, The Smurfs and The Jetsons

Frank Welker was born in Colorado. He followed his dream in California, and started a voice acting career which has amassed over five decades of hundreds of credits, accolades, and friends. Frank worked with fellow voice actors Casey Kasem, Nicole Jaffe, Don Messick, Heather North, and Indira/Stefanianna Christopherson on Hanna-Barbera's iconic Scooby-Doo, Where Are You!, voicing Fred Jones, among other Scooby credits over the years.

Mel Blanc was born in San Francisco but moved to Portland at a young age. He started in radio but later he would voice his first cartoon character in "Picador Porky" where he played a drunken bull. He would go on to voice some of the most beloved characters like Bugs Bunny, Daffy Duck, Yosemite Sam, and Tweety Bird among hundreds of others. He was known for his range as a voice actor, nicknamed "The Man of a Thousand Voices", he is considered one of the most influential people in his field.

June Foray has 128 credits at Criticker, including: Cinderella, How the Grinch Stole Christmas!, The Adventures of Rocky and Bullwinkle, Frosty the Snowman and Thumbelina

Henry Corden has 32 credits at Criticker, including: The Jetsons Meet the Flintstones, The New Tom & Jerry Show, A Flintstones Christmas Carol, The Atom Ant Show and Heathcliff

Janet Waldo has 33 credits at Criticker, including: The Jetsons Meet the Flintstones, The Jetsons, Wacky Races, The Man Called Flintstone and The Atom Ant Show

Charles Nichols has 75 credits at Criticker, including: Charlotte's Web, Toot Whistle Plunk and Boom, Scooby-Doo and the Ghoul School, Alvin & the Chipmunks and Mickey and the Seal

Marilyn Schreffler has 7 credits at Criticker, including: The All-New Popeye Hour, Yogi's First Christmas, Popeye and Son, The Swiss Alps and Tokyo, Japan and Acapulco and England

Takayo Doran has 3 credits at Criticker, including: Doctor Franken and Feline Fugitive/Doggone Dogcatcher/Football Flunkies/Lumbering Loonies

Clare Peck has 2 credits at Criticker, including: Feline Fugitive/Doggone Dogcatcher/Football Flunkies/Lumbering Loonies