Suggestions by @bumbleprime

Patrick Warburton

as Ironhide in Scooby-Doo! Meets The Transformers Series (2010)

Josh Keaton

as Bumblebee in Scooby-Doo! Meets The Transformers Series (2010)

Peter Cullen

as Optimus Prime in Scooby-Doo! Meets The Transformers Series (2010)

Frank Welker

as Scooby-Doo in Scooby-Doo! Meets The Transformers Series (2010)

Mindy Cohn

as Velma Dinkley in Scooby-Doo! Meets The Transformers Series (2010)

Matthew Lillard

as Shaggy Rogers in Scooby-Doo! Meets The Transformers Series (2010)

Grey DeLisle

as Daphne Blake in Scooby-Doo! Meets The Transformers Series (2010)

Frank Welker

as Fred Jones in Scooby-Doo! Meets The Transformers Series (2010)

Tara Strong

as Slipstream in Transformers: Journeys (The Invisible Autobot)

Jim Cummings

as Thundercracker in Transformers: Journeys (The Invisible Autobot)

Richard Epcar

as Skywarp in Transformers: Journeys (The Invisible Autobot)

Dee Bradley Baker

as Astrotrain in Transformers: Journeys (The Invisible Autobot)

Charlie Adler

as Sunstorm in Transformers: Journeys (The Invisible Autobot)

Dan Castellaneta

as Octane in Transformers: Journeys (The Invisible Autobot)

Daran Norris

as Knockout in Transformers: Journeys (The Invisible Autobot)

Keith David

as Shockwave in Transformers: Journeys (The Invisible Autobot)

Jess Harnell

as Barricade in Transformers: Journeys (The Invisible Autobot)

Frank Welker

as Soundwave in Transformers: Journeys (The Invisible Autobot)

Steve Blum

as Starscream in Transformers: Journeys (The Invisible Autobot)

Frank Welker

as Megatron in Transformers: Journeys (The Invisible Autobot)