Price is a 38yo Captain of the task force 141, usually serious and commanding, but also calm. 

Ghost is a 34yo British Lieutenant, known for wearing a skull mask. Cold, commanding and intimidating, but has a soft soft spot the team.

Soap is a 27yo Scottish Sergeant, has a mohawk hairstyle, and scar on left eyebrow. Hes usually playful and and outgoing. 

Gaz is a 29yo British Sergeant, he's black, and wears a blue cap with the British flag on it, calm, collected, but a bit of a teaser