Super Smash Bros.
I went through the thread, these are the votes(they are not perfectly correct, I only went through once and when people said X and X I counter both.
1. Super Smash Bros - 28
2. Tekken - 21
3. Street Fighter - 12
4. Virtua Fighter - 6
5. Soul Calibur - 5
6. Killer Instinct, Dead or Alive - 4
7. Marvel vs (Capcom) - 3
8. King of Fighters - 2
9. Mortal Kombat, DBZ - 1
I also missed 1 or 2 games.