Ice --> Ice/Ghost
Based on a Snowy Owl, abominable snowman, and owlbear from from DnD/

Ghost/Flying --> Ghost/Flying.
Based on a ghost ship, pirates and the La Chasse-galerie. A ghost canoe from Canadian myth. Its unclear, if the spirits are able to leave the makeshift boat.

Mawfire
Fire/Normal
Based on Furaribi. A small fire creature from Japanese myth. Its hair is on fire and a reference to Cerberus

Poison --> Poison
based on flamboyant cuttlefish and graffiti artists.
It uses the ink it sprats to communicate and mark its territory. It's ink is also hazardous if inhaled.