Twain's story about his pen name has been questioned by some[148] with the suggestion that "mark twain" refers to a running bar tab that Twain would regularly incur while drinking at John Piper's saloon in Virginia City, Nevada. Samuel Clemens himself responded to this suggestion by saying, "Mark Twain was the nom de plume of one Captain Isaiah Sellers, who used to write river news over it for the New Orleans Picayune. He died in 1863 and as he could no longer need that signature, I laid violent hands upon it without asking permission of the proprietor's remains.