The only thing he has going for him is the similarity in names.

As one who grew up hearing Mr. O'Sullivan's biggest hit often, I was well aware of his existence, but did not know that he had changed his first name specifically to create the similiarity to G & S. The other consequence of so much exposure to that most Magdalen of songs is that I have a craving for Schweppes® lemonade every time I think of it.