Suggestions by @laylachat

Stegomon

as Stegosaurus in Prehistoric Museum

Pteramon X

as Pteranodon in Prehistoric Museum

Pteramon

as Pteranodon in Prehistoric Museum

Parasaurmon

as Parasaurolophus in Prehistoric Museum

Brachiomon

as Brachiosaurus in Prehistoric Museum

Allomon X

as Allosaurus in Prehistoric Museum

EXTyrannomon

as Doll in House of Horror

EXTyrannomon

as T-Rex in Prehistoric Museum

Ryuk

as Grim Reaper in House of Horror

Death (Discworld)

as Skeleton in House of Horror

The Death (The Seventh Seal)

as Grim Reaper in House of Horror

Death (The Sandman)

as Grim Reaper in House of Horror

Death (Discworld)

as Grim Reaper in House of Horror

Death (Family Guy)

as Grim Reaper in House of Horror

Hurley (G-Force)

as Guinea Pig in Zoo

Lurleane

as Velociraptor in Prehistoric Museum

Curly Bear

as Bear in Zoo

Styracosaurus (The Valley of Gwangi)

as Styracosaurus in Prehistoric Museum

Eema

as Styracosaurus in Prehistoric Museum

Kron (Dinosaur)

as Iguanodon in Prehistoric Museum