Barnabus is the right hand man to Dongalor. He is very good at grovelling and toadying. Barnabus is part administrative assistant, part advisor, and one hundred percent loyal to Dongalor.
Barnabus has been Dongalor's aide since he was his footman back in his academy days. The others around the palace see him as reasonably junior. However, the fact that he has Dongalor's ear, means that he can get away with a huge amount and can wield power within the palace.