Dwarven beards are rich habitats for the enterprising critter.
Patron deity of the Cult of Done, Othamm is always working to counter Mathom's influence.
When Vegma, Judge of the Dead, was called away to witness Mathom's trial, he left Slys in charge of the recently deceased. Intended as a simple placeholder, she has come to be something more.
A character who is undergoing changes of personality (like buying off mental disadvantages - flaws - or changing alignment) might confront personifications of aspects of his personality in dreams: a griffon representing the courage he needs to face a terrible foe, or a satyr standing for the lecherousness a warrior must overcome to be admitted to an order of knights who must uphold vows of chastity.