Suggestions by @bumbleprime

Megatron

as Benedict Cumberbatch in Which Characters Would You Like To See Actors Play In Live Action

Score: +5

Tara Strong

as Slipstream in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Jim Cummings

as Thundercracker in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Tom Kenny

as Skywarp in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Dee Bradley Baker

as Astrotrain in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Dan Castellaneta

as Octane in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Keith David

as Shockwave in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Jess Harnell

as Barricade in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Frank Welker

as Soundwave in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

Steve Blum

as Starscream in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

Frank Welker

as Megatron in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

Mark Hamill

as Wheeljack in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Jeff Bennett

as Prowl in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

Kevin Michael Richardson

as Bulkhead in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

David Kaye

as Cliffjumper in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Corey Burton

as Ratchet in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +5

Khary Payton

as Jazz in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Jodi Benson

as Arcee in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Patrick Warburton

as Ironhide in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4

Josh Keaton

as Bumblebee in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +4