If there exist true difference between demons born in Hell and those that live in Limbo it has never been confirm however it seen that those in Hell can possess other while those in Limbo are much more solid. Some inhabitants of Limbo were not always demons and are corrupted humans or the case of Magik mutants. As with many other extra-dimensional creatures they possess their own language and even unique technology and magic to them.
 
There exist several undisclosed tribes of demons in Limbo but it never been confirm how they difference from one another it however shown that the most powerful one of them often fights for the Soul-Sword it unknown how they previously choose a leader as the existence of the Soul-Sword is rather recent.