Suggestions by @bumbleprime

Jack Dylan Grazer

as Jonathan Loughran in Hotel Transylvania Live Action 2035

Benedict Cumberbatch

as Count Dracula in Hotel Transylvania Live Action 2035

Richard McGonagle

as Ironhide in Ben 10 & The Transformers (2009)

Dave Bautista

as Bulkhead in Who Would Voice Bulkhead In The Future?

Frank Welker

as The Boogeyman in Scooby-Doo! Meets The Transformers (Camp Boogey)

Tara Strong

as Slipstream in Scooby-Doo! Meets The Transformers (Camp Boogey)

Tom Kenny

as Frenzy in Scooby-Doo! Meets The Transformers (Camp Boogey)

Dee Bradley Baker

as Rumble in Scooby-Doo! Meets The Transformers (Camp Boogey)

Jim Cummings

as Thundercracker in Scooby-Doo! Meets The Transformers (Camp Boogey)

Tom Kenny

as Skywarp in Scooby-Doo! Meets The Transformers (Camp Boogey)

Dee Bradley Baker

as Astrotrain in Scooby-Doo! Meets The Transformers (Camp Boogey)

Dan Castellaneta

as Octane in Scooby-Doo! Meets The Transformers (Camp Boogey)

Keith David

as Shockwave in Scooby-Doo! Meets The Transformers (Camp Boogey)

Jess Harnell

as Barricade in Scooby-Doo! Meets The Transformers (Camp Boogey)

Frank Welker

as Soundwave in Scooby-Doo! Meets The Transformers (Camp Boogey)

Steve Blum

as Starscream in Scooby-Doo! Meets The Transformers (Camp Boogey)

Frank Welker

as Megatron in Scooby-Doo! Meets The Transformers (Camp Boogey)

Mark Hamill

as Wheeljack in Scooby-Doo! Meets The Transformers (Camp Boogey)

Jeff Bennett

as Prowl in Scooby-Doo! Meets The Transformers (Camp Boogey)

David Kaye

as Cliffjumper in Scooby-Doo! Meets The Transformers (Camp Boogey)