Who is Cyril "Barmy" Fotheringay-Phipps from The Most of P.G. Wodehouse and what is their importance?

Cyril Barmy Fotheringay Phipps appears in the story, Tried in the Furnace. He is one of two friends in a comedy act, who pursue the same girl and fail terribly while having a miserable time in service to her school and church, only to learn that she is married. Barmy is the friend who gives the privilege of the school treat to Pongo and instead accompanies the women on their outing.