And how to get them...
COG
* Marcus Fenix – Unlocked at start
* Dominic Santiago – Unlocked at start
* Augustus Cole – Unlocked at start
* Damon Baird – Unlocked at start
* Anya Stroud – Unlocked at start
* COG Gear – Reach Level 2
* Samantha Byrne – Reach Level 4
* Dizzy Wallin – Reach Level 7
* Jace Stratton – Reach Level 10
* Clayton Carmine – Reach Level 14
* Classic Dom – Reach Level 17
* Classic Cole – Reach Level 23
* Classic Baird – Reach Level 30
* Benjamin Carmine – Reach Level 34
* Civilian Anya – Reach Level 45
* Colonel Hoffman – Reach Level 50
* Anthony Carmine – Reach Level 75
* Classic Marcus – Earn 2 Star Veteran Medal
* Superstar Cole – Earn 3 Star MVP Medal
* Golden Gear – Earn 1 Star War Supporter Medal
* Chairman Prescott – Earn 2 Star Allfathers Medal
* Unarmored Marcus – Earn 1 Star Tour of Duty Medal
* Aaron Griffin – Earn 4 Star Big Money Medal or unlock via
Facebook * Cole Train – Unlocked in the Beta
* Adam Fenix – Exclusive bonus character in Limited/Epic Edition
* Commando Dom – GAME-exclusive pre-order bonus
* Mechanic Baird – Play-exclusive pre-order bonus
LOCUST
* Drone – Unlocked at start
* Savage Drone – Unlocked at start
* Grenadier Elite – Unlocked at start
* Savage Grenadier – Unlocked at start
* Myrrah – Unlocked at start
* Locust Miner – Reach Level 3
* Beast Rider – Reach Level 5
* Locust Hunter – Reach Level 8
* Theron Guard – Reach Level 12
* Locust Spotter – Reach Level 20
* Flame Grenadier – Reach Level 26
* Locust Grenadier – Reach Level 39
* Locust Hunter Elite – Reach Level 60
* Golden Miner – Earn 3 Star Rifleman Medal
* Locust Golden Hunter – Earn 3 Star Master-at-Arms Medal
* Locust Sniper – Earn 1 Star Headshot Medal
* Locust Kantus – Earn 3 Star Medic Medal
* Savage Theron Guard – Earn 4 Star I’m a Beast Medal
* Savage Kantus – Amazon-exclusive pre-order bonus
* Savage Grenadier Elite – Walmart-exclusive pre-order bonus