Suggestions by @jakubduda

Cipactli

as Monsters in Masters Vs Monsters

Behemoth

as Monsters in Masters Vs Monsters

Aspidochelone

as Monsters in Masters Vs Monsters

Indus Worm

as Monsters in Masters Vs Monsters

Hellhound

as Monsters in Masters Vs Monsters

Kraken

as Monsters in Masters Vs Monsters

Abaia

as Monsters in Masters Vs Monsters

Lou carcolh

as Monsters in Masters Vs Monsters

Erchitu

as Monsters in Masters Vs Monsters

Phoenix

as Monsters in Masters Vs Monsters

Ogopogo

as Monsters in Masters Vs Monsters

Qinglong

as Monsters in Masters Vs Monsters

Impundulu

as Monsters in Masters Vs Monsters

Erymanthian Boar

as Monsters in Masters Vs Monsters

Aqrabuamelu

as Monsters in Masters Vs Monsters

King Ghidorah (Godziban)

as Monsters in Masters Vs Monsters

Yeti

as Monsters in Masters Vs Monsters

Titanoboa

as Monsters in Masters Vs Monsters

King Kong

as Monsters in Masters Vs Monsters

Godzilla

as Monsters in Masters Vs Monsters