Suggestions by @axiomman

Baragon

as Baragon in Transformers vs Godzilla: Titan Empire

Varan

as Varan in Transformers vs Godzilla: Titan Empire

Megalon

as Megalon in Transformers vs Godzilla: Titan Empire

Gigan

as Gigan in Transformers vs Godzilla: Titan Empire

King Ghidorah (Kingu Gidora)

as King Ghidorah in Transformers vs Godzilla: Titan Empire

Mothra (Mosura)

as Mothra in Transformers vs Godzilla: Titan Empire

Rodan (Radon)

as Other Kaiju Featured in Transformers vs Godzilla: Titan Empire

Anguirus (Angirasu)

as Anguirus in Transformers vs Godzilla: Titan Empire

Daran Norris

as Knockout in Transformers vs Godzilla: Titan Empire

Toks Olagundoye

as Shatter in Transformers vs Godzilla: Titan Empire

Roger Craig Smith

as Dropkick in Transformers vs Godzilla: Titan Empire

Fred Tatasciore

as Lugnut in Transformers vs Godzilla: Titan Empire

Steve Blum

as Starscream in Transformers vs Godzilla: Titan Empire

Jason Spisak

as Starscream in Transformers vs Godzilla: Titan Empire

Godzilla (Character)

as Godzilla in Transformers vs Godzilla: Titan Empire

Robin Atkin Downes

as Blitzwing in Transformers vs Godzilla: Titan Empire

Roger L. Jackson

as Soundwave in Transformers vs Godzilla: Titan Empire

Clancy Brown

as Megatron in Transformers vs Godzilla: Titan Empire

Rory McCann

as Megatron in Transformers vs Godzilla: Titan Empire

Frank Welker

as Megatron in Transformers vs Godzilla: Titan Empire