
Age: 80
male
Franklin Wendell Welker (born March 12, 1946) is an American voice actor with an extensive career spanning nearly six decades. As of 2021, Welker holds over 860 film, television, and video game credits, making him one of the most prolific voice actors of all time. With a total worldwide box-office gross of $17.4 billion, he is also the third highest-grossing film voice actor of all time. Welker is best known for voicing Fred Jones in the Scooby-Doo franchise since its inception in 1969, and Scooby-Doo himself since 2002. In 2020, Welker reprised the latter role in the CGI-animated film Scoob!, the only original voice actor from the series in the movie's cast. He has also voiced Oswald the Lucky Rabbit in Epic Mickey and its sequel, Megatron, Galvatron and Soundwave in the Transformers franchise, Shao Kahn and Reptile in the 1995 Mortal Kombat film, Curious George in the Curious George franchise, Garfield on The Garfield Show, Nibbler on Futurama, the titular character in Jabberjaw, Speed Buggy in the Scooby-Doo franchise, Astro and Orbitty on The Jetsons, Mushmouse on Punkin' Puss & Mushmouse, and various characters in The Smurfs as well as numerous animal vocal effects in many works. In 2016, he was honored with an Emmy Award for his lifetime achievement. Description above from the Wikipedia article Frank Welker, licensed under CC-BY-SA, full list of contributors on Wikipedia.

Frank Welker

Megatron
for Megatron in Scooby-Doo! Meets The Transformers (Chugga-Chugga Boo Boo!)
Suggested by bumbleprime

At The Coolsville Train Station, The Conductor Was Doing His Duty Until It Starts To Get Foggy And A Ghostly Train Appears Called The Grave Express And Haunts The Station. The Conductor Got Scared And Runs Away. The Grave Express Disappears In The Fog. At Autobot Headquarters, Scooby Doo’s Playing With His Model Train. Shaggy Makes A Long Sub, He Was About To Eat Until Scooby Ate It First. A Phone Rings, Velma Answers It And It’s Her Little Sister, Lisa Dinkley. She Tells. Velma That She’s At The Train Station To Take A Ride For A Visit At Coolsville To Her. Velma Feels Excited, Let’s Her Know She’ll Be There And Hangs Out. Ironhide & Arcee Never Known Velma Has A Sister. Velma Explains That She’s Staying For 3 Days And They Have To Pick Up At The Train Station. Ratchet Activates At The Ground Bridge, The Mystery Gang Get In The Mystery Machine And Drive To The Train Station