LOOK: This Is What The Scooby-Doo Gang Really Looks Like

Scooby-Doo might be one of the most popular children’s cartoons of all-time and Scooby himself is easily our favorite Great Dane (suck it, Marmaduke). Over the years, Scooby and the rest of Mystery Inc. have appeared in cartoons, video games, and live-action films, but have you ever wondered who’s behind these iconic characters? You might recognize some familiar faces (and voices):

Frank Welker as Fred
Be Cool Scooby Doo, Frank Welker, Cartoon Network
WENN/Cartoon Network
While Freddie Prinze Jr. played the ascot wearing leader of Mystery Inc. in the live action movies, Frank Welker has voiced Fred in almost every incarnation since the original Scooby-Doo, Where Are You? aired in 1969 (the notable exception is the criminally underrated A Pup Named Scooby-Doo where the pre-teen Fred was voiced by Carl Steven).
Matthew Lillard as Shaggy
Scooby Doo, Be Cool Scooby Doo, Matthew Lillard, Warner Brothers, Cartoon Network
Warner Brothers via Everett/Cartoon Network
Matthew Lillard played Shaggy in the live action movies and has also provided the voice for the animated slacker since 2010. Casey Kasem was the original voice of Shaggy from 1969 until 1997, making sporadic appearances before retiring in 2009, and Futurama voice actor Billy West voiced Shaggy in the 1998 direct to VHS movie Scooby-Doo on Zombie Island.
Frank Welker as Scooby-Doo
Be Cool Scooby Doo, Frank Welker, Cartoon Network
WENN/Cartoon Network
In addition to Fred, Frank Welker has also voiced Scooby since 2002, taking over the role from Scott InnesDon Messick, the original Scooby-Doo, voiced the character from 1969 until his death 1997.
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Grey Griffin as Daphne
Be Cool Scooby Doo, Grey Griffin, Cartoon Network
IMDB/Cartoon Network
While Sarah Michelle Gellar appeared as Daphne in the live action theatrical films, Grey Griffin has voiced Daphne since 2000. In addition to Danger Daphne, Griffin's voice acting roles include Vicky in The Fairly OddParents, Mandy in The Grim Adventures of Billy & Mandy, and Princess Azula in Avatar: The Last Airbender.
Kate Micucci as Velma
Be Cool Scooby Doo, Kate Micucci, Cartoon Network
Brian To via WENN/Cartoon Network
Velma has been voiced by more actors than any other member of Mystery Inc. (jinkies!) and in 2015, comedian Kate Micucci took over the role for the new Cartoon Network show Be Cool, Scooby-Doo!. One half of the musical comedy duo Garfunkel and Oates, Micucci has appeared in Scrubs, Raising Hope, and The Big Bang Theory and she also provides the voice for Sadie in Steven Universe.
Scott Innes as Scrappy-Doo
Scooby Doo, Scott Innes, Warner Brothers
IMDB/Warner Brothers
Don Messick, the original Scooby-Doo, provided the voice of everyone's least favorite character from 1980 to 1988. While Scrappy-Doo hasn't appeared in any Scooby related media in recent years, Scott Innes voice the character in the 2002 movie. Over the years, Innes has voiced both Scooby and Shaggy as well.

WATCH Scott Innes voice some of your favorite Hanna-Barbera characters: