Symbiotes are vicious biological organisms, they use a symbiotic bond with their hosts and envelop their hosts like costumes. Once the hosts body has been taken over, the Symbiote has full control. Edit
Powers & Abilities:
Superhuman strength: e.g Been just able to pick up a lorry and throw it with enough effort.
Healing Factor: e.g Able to regenerate limbs with ease.
Absorbing: e.g Able to absorb weaponry and been able to use them in combat.
Limited Shape-shifting: e.g Able to generate mass and shape itself and create sharp limbs.
Storage Portables: e.g Able to absorb things into their endless gunky mass.
Sidenote: Also symbiotes can have some random powers e.g in the video "carnage" can absorb lifeforce