mine are

1. godfather part 1

2.pulp fiction

3. goodfellas

4. scarface

5. the usual suspects

what are yours?

1. goodfellas
2. god father
3. pulp fiction
4. the usual suspects
5. casino

1. The Godfather part 1
2. The Godfather part 1
3. The Godfather part 1
4. The Godfather part 1
5. The Godfather part 2

i didnt list casino because i thought it was to long and it started to drag in my opinion

There's so many. A superb movie genre!!

1. Scarface
2. Dog Day Afternoon
3. Reservoir Dogs
4. Menace II Society
5. Carlito's Way
6. Boyz N the Hood
7. No Country for Old Men
8. Once Upon a Time in America
9. Gangs of New York
10. American History X

I am 41 years old and I still haven't seen The Godfather movies. LAME!

Only three come to mind for me:
1. Goodfellas
2. Scarface
3. The Untouchables