Now you know whose voice is in the 'Scooby Doo' movie

Franklin Welker, the voice actor behind "Scooby-Doo," revealed how he managed to do the iconic animated voice.

"How I came up with that voice is basically... It's my own voice with maybe five cups of coffee," he said in an interview with People.

The 72-year-old actor is best known for his role as Fred Jones from the "Scooby-Doo" franchise since its inception.

Welker recalled that he was discovered while doing stand-up in a comedy bar. His first voice-over role was in a commercial for Friskies dog food.

The producer's girlfriend then informed him of auditioning for Hanna-Barbera during the casting of "Scooby-Doo, Where Are You!"

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He initially auditioned for the title character but instead won the role of Fred Jones, which became his first voice role in 1969.

He has provided the voice of both Fred Jones and Scooby-Doo in 2002.

Prolific career

Other then Scooby-Doo, Welker also did the major character voice for Wonder Dog, which was also inspired by Scooby-Doo.

He was also the voice behind Marvin White on the 1973 series "Super Friends."

Other characters which he gave voice to include Jabberjaw, Dynomutt, Garfield, and the Shmoo in "The New Fred" and "Barney Show."

In the 1980s, Welker gave voice to Megatron in "Transformers G1" and "Transformers: Prime."

Welker also created the vocal effects for many animals and creatures in films, including the monkey Abu in "Aladdin," Arnold the Pig in "Return to Green Aces," and the penguins in "Mr. Popper's Penguins."

Much-deserved recognition

For his exemplary artistry, Welker was honored with an Emmy Award for his lifetime achievement in 2016.

Born in Denver, Colorado on March 12, 1946, Welker moved to California and attended Santa Monica College in Santa Monica, California, where he majored in theatrical arts.

He performed as the Cowardly Lion in the college's theater production of The Wizard of the Oz. He received honors for this performance in 1966.