Suggestions by @jeremyelcuervo

Seth Rogen

as Allen The Alien in Invincible

Mark Ruffalo

as Aquarus in Invincible

Sacha Baron Cohen

as Mephisto in Ghost Rider (MCU)

Scourge (Transformers)

as Paramount in Villains

Unicron

as Paramount in Villains

Rattlesnake Jake

as Paramount in Villains

Sakharine

as Paramount in Villains

Cynthia Utrom (TMNT: Mutant Mayhem)

as Paramount in Villains

Superfly (TMNT: Mutant Mayhem)

as Paramount in Villains

Cobra Commander (film series)

as Paramount in Villains

Dropkick (Transformers Cinematic Universe)

as Paramount in Villains

Shatter (Transformers Cinematic Universe)

as Paramount in Villains

Megatron (Transformers Cinematic Universe)

as Paramount in Villains

Karai (Paramount)

as Paramount in Villains

Baxter Stockman (Paramount)

as Paramount in Villains

Bebop (Paramount)

as Paramount in Villains

Eric Sacks (TMNT)

as Paramount in Villains

Shredder (Paramount)

as Paramount in Villains

Zartan (G.I. Joe)

as G.I. Joe in Villains

Gabby Gabby

as Toy Story in Villains