Who is the second playable character in the second and third Halo games?
The Arbiter
Cortana
Spartan Locke
Cortana
Gravemind
Spartan Locke
Gravemind
343 Guilty Spark
Cortana
Gravemind
343 Guilty Spark
Ishmael
Spartan Locke
a Spartan
Gravemind
Cortana
Spartan-II
343 Guilty Spark
Spartan Ops
SPARTAN-II
Ishmael
a Spartan
Spartan Locke
Gravemind
Spartan O'Brien
343 Guilty Spark
Cortana
a Spartan
Spartan Osiris
Ishmael
Spartan-II Osiris
Gravemind
Spartan O'Neil
Spartan Ops
Spartan-II
SPARTAN-II
Spartan Locke
343 Guilty Spark
a Spartan
Ishmael Johnson
Spartan O'Brien
Gravemind
Spartan-II Halo
Ishmael
Spartan Lockett
Cortana
Spartan O'Neil
Spartan-Joy
Spartan Ops
343 Guilty Spark
Spartan Locke
Gravemind
SPARTAN-II
Spartan Ophidias
ODST
a Spartan
Ishmael Johnson
Ishmael
Spartan-II
Spartan Lockett
Arbiter
Cortana
Spartan Ophidia
Spartan Locket
Gravemind
343 Guilty Spark
ODST
Mar-Vell, a Spartan
Spartan O'Brien
Spartan Ops
a Spartan
Spartan-Joy
Ishmael
a Spartan-II
Spartan Locke
Spartan Ophidias
Osiris
Ishmael Johnson
Arbiter
Spartan O'Neil
Gravemind
Spartan Osiris
ODST
Spartan Lockett
343 Guilty Spark
SPARTAN-II
Spartan Ophidia
a Spartan
Spartan-II
Cortana
Spartan Locket
Mar-Vell
Ishmael
a Spartan-II
Spartan O'Brien
Ishmael Johnson
Arbiter
Ivan O'Donnell
Spartan Opposing Force
Osiris
Gravemind
ODST
Spartan Locke
Spartan Ops
Avery Johnson
Mar-Vell, a Spartan
Reaper
Spartan O'Neil
343 Guilty Spark
a Spartan
Tartarus
Spartan Lockett
Arbiter
Ishmael
Mar-Vell
Ivan O'Donnell
Gravemind
Ishmael Johnson
Spartan-II
SPARTAN-II
Spartan Opposer
Spartan Locket
a Spartan-II
Cortana
ODST
Avery Johnson
Halo: Combat Evolved
Scarlett O'Neil
Ivan O'Neill
Replicator Xavier Osiris
Scarlett O'Niel
Ivan O'Brien
Spartan Locke
Spartan Ops
a Spartan
Mar-Vell, a Spartan
SPARTAN-III
Mar-Vell, Cortana
Arbiter
343 Guilty Spark
Mar-Vell, Spartan Ops
Mar-Vell
Replicator Cortana
343 Guilty Sparks
Ishmael
Scarlett O'Connell
ODST
Ivan O'Donnell
Avery Johnson
Ishmael Johnson
Spartan Lockett
a Spartan-II
Bruttenholm
Ishmael Graves
Gravemind
Halo: Combat Evolved
Ivan O'Neill
Atriox
Scarlett O'Neil
Spartan Locket
Replicator Xavier Osiris
Mar-Vell, the Spartan
Cortana
SPARTAN-II
Ivan O'Brien
Replicator Xavier Avery Johnson
a Spartan
Arbiter
Mar-Vell / Cortana
Scarlett O'Niel
Scarlett
343 Industries Spartan John-117
Mar-Vell
Scarlett O'Conner
ODST
Ivan Vanko
SPARTAN-III
Avery Johnson
343 Guilty Sparks
Scarlett O'Neal
Ivan O'Donnell
Spartan Locke
Mar-Vell and Cortana
Bruttenholm of Halo
Spartan Ops
Mar-Vell, Cortana
SPARTAN-O'BRIEN
Ishmael
Mar-Vell, Spartan Ops
Gravemind
343 Guilty Spark
Ishmael Johnson
Scarlett O'Connell
Replicator Cortana
a Spartan-II
Ivan O'Neill
Spartan Lockett
Replicator John-117
Replicator Xavier
Replicator Xavier O'Neill
Spartan O'Donnell