Suggestions by @bumbleprime

Peter Cullen

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

Score: +5

Mark Hamill

as Bowl Ghoul Member #3 in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +1

Grey DeLisle

as Bowl Ghoul Member #2 in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +1

Frank Welker

as Bowl Ghoul Member #1 in Scooby-Doo! Meets The Transformers (Bowl-O-Tron)

Score: +1

Dee Bradley Baker

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

Score: +1

Cree Summer

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

Score: +1

Jason Marsden

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

Score: +1

Ernie Hudson

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

Score: +1

Frank Welker

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

Score: +5

Mindy Cohn

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

Score: +5

Matthew Lillard

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

Score: +5

Grey DeLisle

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

Score: +5

Frank Welker

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

Score: +5

Arcee (Transformers)

as Mila Kunis in Which characters would you like to see actors play in live-action

Score: +4

Jason Momoa

as Jim Carrey in Dream Actor / Actress-Actor / Actress Collaborations

Score: +4

Bumblebee (G1)

as Robbie Daymond in Voice Actors & Actresses For Characters To Be Voiced

Score: +2

Plankton

as Will Arnett in Which characters would you like to see actors play in live-action

Score: +4

Spike Bulldog

as Patrick Warburton in Voice Actors & Actresses For Characters To Be Voiced

Score: +5

Daphne Blake

as Francesca Capaldi in Which characters would you like to see actors play in live-action

Score: +4

Mike Wazowski

as Ben Schwartz in Which characters would you like to see actors play in live-action

Score: +5