Blue-eye Treevil and red-eye Treevil
|First appearance||Elder-Ham, Save the Cherry Blossoms! De arimasu|
Treevils are the walking tree enemies in the Paper Shin Series. They live in Dimble Forest and they are common monster. It appears in two forms, one with sad glowing blue eyes and one with malicious red eyes, the latter holding an acorn on its branches; these Treevils are stronger. To attack, a Treevil throws twigs at the character.