George W. Bush: Added $5.849 trillion
Bill Clinton: Added $1.396 trillion
George H.W. Bush: Added $1.554 trillion
Ronald Reagan: Added $1.86 trillion
Jimmy Carter: Added $299 billion
Gerald Ford: Added $224 billion
Richard Nixon: Added $121 billion
Lyndon B. Johnson: Added $42 billion
John F. Kennedy: Added $23 billion
Dwight Eisenhower: Added $23 billion
Harry Truman: Added $7 billion
Franklin D. Roosevelt: Added $236 billion in 12 years and WW2
Herbert Hoover: Added $6 billion
Calvin Coolidge: Subtracted $5 billion
Warren G. Harding: Subtracted $2 billion
Woodrow Wilson: Added $21 billion to the debt thanks to WW1
FY 1789 - FY 1913: $3 billion debt created
That's $8.19 Trillion by the Democrats and $9.63 Trillion by the party of Fiscal Conservatism.
If not for the George Walker Bush crusades in Afghanistan and Iraq and his Great Recession you could easily cut Barack Obama's contribution by 2/3.