Who's the protagonist of the Halo series?
Master Chief
John-117
Master Chief
John-117
Master Chief
Cortana
Master Chief
John-117
Master Chief
Cortana
John-117
Master Chief
John-117
Cortana
Master Chief
John-117
Master Chief
Cortana
John-117
a Spartan
Spartan John-117
Hal Jordan
Spartan Locke
Master Chief
Cortana
John-117
a Spartan
Hal Jordan
Master Chief
John-117
Spartan John-117
Arbiter
Hal Jordan
ODST
Master Chief
a Spartan
Spartan Locke
Cortana
John-117
Hal Jordan
Arbiter
Master Chief
ODST
a Spartan
Spartan-II
Hal Jordan
Spartan John-117
Master Chief
John-117
Arbiter
ODST
Cortana
Spartan Locke
a Spartan
Noble Six
Hal Jordan
Master Chief
John-117
Arbiter
ODST
Commander Keyes
Spartan-Jayne
Spartan-II
Noble Six
Avery Johnson
a Spartan
Hal Jordan
Master Chief
Cortana
Spartan John-117
Master Chief & Master Chief
John-117
Arbiter
Ivan O'Brien
ODST
John-117's
Commander Shepard
Noble Six
Spartan Locke
Hal Jordan
Avery Johnson
Master Chief
a Spartan
Commander Keyes
Cortana
Noble Team
John-117
John-117.
Arbiter
Ivan Vanko
ODST
Noble Six
Spartan-Jayne
John-117's
Spartan-II
Hal Jordan
Master Chief
Commander Shepard
Avery Johnson
Spartan John-117
John-Doe
Noble Team
a Spartan
Ivan O'Brien
John-117
Arbiter
John-117.
Spartan-Jack
Noble Six
ODST
Commander O'Brien
Hal Jordan
Spartan Locke
Commander Keyes
John-117's
Master Chief
Cortana
Avery Johnson
Ivan O'Neill
Noble Team
John-Doe
a Spartan
John-117
Arbiter
Noble Six
Ivan O'Brien
John-117.
ODST
Spartan-Jayne
Hal Jordan
Spartan-II
Master Chief
John-111
Ivan Vanko
John-117's son
Commander Keyes
Master Chief & Master Chief
John-117's
Avery Johnson
Issac Johnson
Noble Team
Captain John-117
Cortana
Ivan O'Donnell
John-Doe
Noble Six
John-117
Arbiter
Spartan-Jack
Ivan Osiris
a Spartan
Hal Jordan
ODST
Master Chief
John-117.
John-111
Ivan Vanko
John-118
Noble Team
Avery Johnson
John-117's
Ivan O'Neill
Captain John-117
Commander Keyes
Noble Six
Cortana
John-117
Hal Jordan
Master Chief & Master Chief
Arbiter
Master Chief
Spartan-Jayne
Spartan-II
ODST
a Spartan
Issac Johnson
John-111
Ishtar
Noble Team
John-118
John-Doe
John-Kamen
Ivan Vanko
Avery Johnson
Ivan Osiris
Spartan-III
Issac
Noble Six
John-117's
Ivan O'Neill
Ivan O'Donnell
Hal Jordan
Cortana
Commander O'Connell
Spartan-Jack
John-117
Arbiter
John-117.
ODST
Arbiter Hal Jordan
Noble Team