The answers to the clues below will have something in common.

1. Make a perforation
2. Confer fromally
3. Cross a river
4. City on Lake Eerie
5. Luxury car
6. Common greenery
7. Comic strip character
8. Former capital of Utah

Answers:

1. PIERCE
2. GRANT
3. FORD
4. CLEVELAND
5. LINCOLN
6. BUSH
7. GARFIELD
8. FILLMORE

Credit: Chicago Tribune Crossword
Josiah Breward (Idea and #1-6)
NOT THE PRESIDENTS