Who is the best GunZ player

There is in fact no actual best GunZ player. Mark_Code is the current number one player, but if you are talking about skill as in PvP or Kstyle, there's a huge list to choose from.
These player names are not in any order.
Shotgun- known for having the best aim in gunz.
Yong - Great teamwork and Clan leader
VenoM - Consistent damage and Ap chipper.
Amazon- Great Slash Pb and Movement
Mishots - Great TeamWork and Sword
TrickZ - Great Survival and Sword
Shot - Great Teamwork, Survival, and Consistent aim
Snuwfer Aubi- "Not quite sure, many say he is unlegit" Hits Hard.
Omega - Great TeamWork, survival, and lead and aim. "back in his prime"
Tiger - Great Lead, Movement, Speed "back in his prime"
Transvestor - Great Lead, Movement, and Speed "back in prime"
RuVe - Great Reaction Time and Aim
Toed - Great Rs Speed and Consistent Aim
Gosu- Great Lead and Movement "back in his prime"
RicePower - Great Speed and Aim
Nico Robin - Great TeamWork, Sword, and Consistent Aim
Pheerful - Great TeamWork and Aim
Hectic - Great Aim and Survival
alltoblame - Great Movement, Speed, and Aim "back in prime"
Flamekiller - Great Lead, TeamWork and Clan Leader
tetsou - Great Lead and Movement
natsumi - Great TeamWork and Lead
Energy - Great Aim, lead, and movement
Kano - Great Aim and Lead
Mr-Eko - Great Consistent Aim and TeamWork
SanctuaryY - Survival
Etcetera - Aim
Beyond Death - Great Lead, Sword, and Clan Leader
Detain - Great Aim and Movement
Riokeshi - Survival
CHEPOLINA - Great Aim and Lead
Scarpiello- Great Speed and Aim
Jeon - Lead, Aim and Movement
TressPass - Close Combat, Endurance, and Tactics

This list can go on and on. These players have their ups and downs, meaning none of these players are better than the other. One player may be better at a certain skill than another, but the other player may be better at a different skill.