Its not like Republicans are the only ones that "nickname" people, nicknames, good, bad or indifferent have been around since George Washington
Nicknames of the Presidents
George Wasthingon Father of His County, The Sage of Mount Vernon
John Adams His Roundity, The Atlas of Independence, Bonny Johnny
Thomas Jefferson Long Tom, The Pen of the Revolution, Apostle of the Constitution
James Madison Father of the Constitution, Little Johnny, Sage of Montpelier
James Monroe The Last of the Crooked Hats
John Quincy Adams Old Man Eloquent, Publicola
Andrew Jackson Old Hickory, The Old Hero, King Andrew the First
Martin Van Buren The Red Fox of Kinderhook, O.K., The Little Magician, Little Van
William Henry Harrison Old Tippecanoe, The Cincinnatus of the West, Old Granny
John Tyler His Accidency, Young Hickory
James K. Polk Polk the Purposeful, Napoleon of the Stump
Zachary Taylor Old Rough and Ready, Old Zack
Millard Fillmore The Accidental President, the Wool Carder President
Franklin Pierce Hansome Frank, Purse
James Buchanan Old Buck, The Do-Nothing President
Abraham Lincoln The Great Emancipator, Honest Abe, The Rail Splitter
AndrewJohnson The Tailor, Sir Veto, Father of the Homestead Act
Ulysses S. Grant American Ceasar, The Galena Tanner, Useless S. Grant
Ruther B. Hayes His Fraudulency, Old 8 to 7
James A. Garfield The Canal Boy, The Preacher President
Grover Cleveland Grover the Good, Old Grover
Benjamin Harrison Young Tippecanoe, Little Ben, The Centennial President
William McKinley Liberator of Cuba, The Idol of Ohio, Wobbly Willie
Theodore Roosevelt The Rough Rider, The Cowboy, Rough and Ready, T.R.
Woodrow Wilson The Professor, The Phrasemaker
William B. Harding W.G.
Calvin Coolidge Silent Cal
Herbert Hoover Chief, Grand Old Man
Franklin D. Roosevelt F.D.R., The Boss, King Franklin
Harry S. Truman Give'em Hell Harry, Haberdasher Harry
Dwight D. Eisenhower General Ike, Kanasas Cyclone, Duckpin
John F. Kennedy J.F.K.
Lyndon B. Johnson L.B.J.
Richard M. Nixon Tricky Dick, Richard the Chicken-Hearted
Gerald Ford Jerry, accidental president
Jimmy Carter The Peanut Farmer, Cousin Hot
Ronald Reagan The Great Communicator, Dutch, Ronald the Right
George W. Bush W.