Mint used to be a human that initially even chased after Aster to study his unusual glow due to many sources on it being classified after the initial shutdown of Project Delta, having a confident demeanor that even rivals his, though without the constant superhero references.
Despite being a biology major, they have a knack for engineering, Even getting a recreational driving license to drive a custom EV rally car they put together on the road (considering most cars are self-driving at this point on a smart grid system, and often called like an uber).
Unlike Aster, Mint utilizes her stun blasters, tranquilizers, and net bazooka more than hand to hand with shapeshifting abilities like Aster does.