Can celestial be swapped for fiendish using Summon Monster speels?

[Selion]

1 - Defendant clearly has tentacles in direct violation to standards of public morality.

2 - Defendant corrupts the purity of the English language by coercing a Latin suffix onto a Greek root.

Guilty.

I hereby sentence the convict to calamari.

Ahahaha, I'm italian, my english may sound funny sometimes