Suggestions by @saracuda

The Thing

as Alien in Sorting Fictional characters by Species

Theodore (The House in the Cerulean Sea)

as Dragon in Sorting Fictional characters by Species

Michael (The Good Place)

as Demon in Sorting Fictional characters by Species

Arthur Parnassus

as Phoenix in Sorting Fictional characters by Species

Fawkes

as Phoenix in Sorting Fictional characters by Species

Flit

as Other types of Bird in Sorting Fictional characters by Species

Flounder (The Little Mermaid)

as Fish in Sorting Fictional characters by Species

Doctor Strange (Marvel Cinematic Universe)

as Triclops in Sorting Fictional characters by Species

Master Shifu

as Red Panda in Sorting Fictional characters by Species

Meilin "Mei" Lee

as Red Panda in Sorting Fictional characters by Species

Mr. Tumnus

as Faun in Sorting Fictional characters by Species

Gus (Sweet Tooth)

as Hybrid creatures in Sorting Fictional characters by Species

Adam and Barbara Maitland

as Ghost in Sorting Fictional characters by Species

Haunter

as Ghost in Sorting Fictional characters by Species

Misdreavus

as Ghost in Sorting Fictional characters by Species

Gastly

as Ghost in Sorting Fictional characters by Species

Gengar

as Ghost in Sorting Fictional characters by Species

Wisp (Animal Crossing)

as Ghost in Sorting Fictional characters by Species

K.K. Slider

as Dog in Sorting Fictional characters by Species

Aragorn (Lord of the Rings)

as Human in Sorting Fictional characters by Species