Ontos style themselves as indefatigable masters of thunder. Everyone else thinks of them as fluttery feathery fucksticks. They were created to be single-use disposable demons but annoyed everyone by sticking around.
Agriltheans are elusive and mysterious water-dwelling demons. They are among the most intelligent of all fiends.
Cromnari are short succubuses of great physical strength and adaptability. Everyone is quite glad the cromnari are a) small and b) more concerned with fucking and having tea parties than with conquest, otherwise they'd be much more of a threat to the stability of Snarl politics.
Uh. You know what these are. They like to eat beans, do science, style their hair, take naps, and laugh at farts.