Word Puzzle #47- Nature Enthusiast -

"Branches rattled ominously while northerly winds howled. In the evening, rain eventually dissipated. Birds lifted up effortlessly overhead, rising above night's gentle expanse. _____ ran enthusiastically enjoying nature."

What is the name of the boy in the excerpt above that has been replaced by the blank? Is it David, George, James, John, Michael, Robert, or William? If you're not 100% sure, you haven't found the answer.