Trumpkin

Trumpkin was a Dwarf with a red beard. He lived during the reign of Caspian X.

Narnian Revolution
During the Narnian Revolution Trumpkin was an Old Narnian, he along with the badger Trufflehunter, and the dwarf Nikabrik found Caspian X after he fell of his horse during a storm. While deciding what to do with the young Telmarine Trumpkin stated that they should have killed him at once or let him be, however when he learned that Caspian was the true king of Narnia he became a loyal friend and supporter of the young king.

He did not believe in Aslan, nor did he believe that any help would come from the blowing of the horn of Queen Susan, however he was willing to go down to the river mouth near Cair Paravel to intercept any help that did come and lead them to Aslan's How. Before leaving, he advised Caspian to not let the Old Narnian army know of the aid expected to come from the blowing of the horn. Along the way, he heard the blowing of the horn, and moved on through the night.

He attempted to take a short cut across open country, but was captured by a Telmarine in the service of Miraz, who was in charge of a little castle by the coast. He was then sent down to the ruins of Cair Paravel to be executed by drowning. However he was saved by the four Pevensies who were summoned to Narnia by the blowing of the horn, he told them the story of how Caspian joined the Old Narnians, and then after a little sword duel with Edmund, and an archery contest with Susan he lead them up Glasswater Creek to Aslan's How.

In The Silver Chair
In The Silver Chair it is revealed that Capsian has made him a Lord of Narnia and he is in charge when Capsian go's away in search of Aslan. There he is described as being extremely fat and deaf.