Who is the main protagonist in the Halo series?
Master Chief Petty Officer John-117
John-117
John-117
Cortana
Master Chief
John-117
Master Chief
John-117
Master Chief
Cortana
Master Chief
John-117
Cortana
Master Chief
John-117
Spartan John-117
Master Chief
John-117
Hal Jordan
Cortana
Spartan Locke
a Spartan
Master Chief
John-117
Hal Jordan
Spartan John-117
Cortana
Master Chief
a Spartan
Arbiter
Hal Jordan
John-117
Spartan Locke
ODST
Master Chief
Cortana
Arbiter
Hal Jordan
a Spartan
Spartan John-117
John-117
Noble Six
Master Chief
ODST
Cortana
Spartan-II
Hal Jordan
Arbiter
Spartan Osiris
Spartan Locke
a Spartan
Noble Six
John-117
Master Chief
ODST
Jack O'Neill
Hal Jordan
Noble Team
Arbiter
Noble Six
John-117
John-117.
a Spartan
Master Chief
Cortana
Spartan-II
Ivan O'Brien
ODST
Hal Jordan
Noble Team
Commander Shepard
Noble Six
Arbiter
Jack O'Neill
Jack O'Connell
Spartan John-117
Master Chief
John-117
John-117.
a Spartan
Cortana
Ivan Vanko
Hal Jordan
Noble Team
ODST
Avery Johnson
Ivan O'Brien
Noble Six
Ivan O'Neill
Commander Shepard
Arbiter
Spartan Locket
Jack O'Neill
Master Chief
Spartan-II
Jack O'Connell
John-117
Master Chief & Master Chief
John-117.
Hal Jordan
Noble Team
Spartan Locke
a Spartan
ODST
Avery Johnson
Cortana
Noble Six
Ivan Vanko
Ivan O'Brien
Spartan
John-117, Master Chief
Arbiter
Ivan O'Neill
Master Chief
Commander Keyes
John-117
Jack O'Connell
Hal Jordan
Noble Team
John-117.
a Spartan
Captain John-117
Noble Six
Avery Johnson
Spartan Locket
Cortana
Jack O'Conner
Ivan Vanko
Master Chief
Master Chief & Master Chief
ODST
Arbiter
Ivan O'Neill
Ivan O'Donnell
Spartan Osiris
John-117
Hal Jordan
Ivan Osiris
Noble Team
Halo
Noble Six
Jack O'Brien
Spartan-Jayne
Avery Johnson
Captain John-117
a Spartan
Master Chief
John-117.
Spartan
Jack O'Conner
Arbiter
Master Chief & Master Chief
Ivan O'Connor
Hal Jordan
Cortana
Noble Team
Ivan O'Conner
Spartan-II
Ivan O'Neill
Ivan O'Donnell
Ivan Vanko
John-117
ODST
Ivan Osiris
Captain John Keyes
Halo
Noble Six
Osiris
Avery Johnson
Spartan Locket
Master Chief
Jack O'Brien
Ivan O'Connell
a Spartan
Arbiter Halo
Arbiter
Hal Jordan
Noble Team
Jack O'Conner
John-117.
Cortana
Ivan O'Connor
John-117
Hal Jordan Hal Jordan
Halo
Ivan O'Conner
Noble Six
Ivan O'Neill
Ivan O'Donnell
Ivan Vanko
ODST.
Ivan Osiris
Arbiter Hal Jordan
Master Chief
Spartan
Ishtar
Avery Johnson
Captain John Keyes
Issac Johnson
Jack O'Brien
Hal Jordan