Would have been a bit cleaner if I had more time, but alas....finals...

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Mandricardo: DPS Vanguard. Obtain 1 cost on every kill. Full cost refund on retreat. Confirmed infected.

Shuten: Debuff Supporter. Confirmed infected.

LEM2: Debuff/Buff Supporter. Attacks will slow enemies. Not infected.

Rama: Guard, block multiple. Can perform ranged attacks. Confirmed infected.

Alexander: Guard, nuker. Not infected.

Merlin: Medic, can heal up to three allies at once. Not infected.

Gray: Specialist, Fast redeploy. Confirmed infected.

Enkidu: Specialist, shift. Pulls enemies. Infection status unknown.