In the Inferno campaign, if you wait long enough during the battle where you play as Azkaal, a baseball will come flying towards Azkaal and he'll bat it away with his giant sword as his idle animation.
Everything Bluebeak says in her dialogue. For a bird that can only squawk, she is surprisingly witty.
The same goes for Daeva. The fact that she's a Succubus makes it even more funnier.