Ben is the guy who can be thanked, or blamed, for the VKs being allowed a chance off the Isle. Honest and friendly, his goal is to help the VKs choose good and become citizens of Auradon rather than have to send them back to the Isle.
Alex fancies himself a bit of a flirt. He is pretty much a nice guy, but he does like to hit on the ladies. One of his unique talents is that he can talk to animals, and uses that to flirt with the ladies. Aside from the shameless flirting, he is actually a good guy. He really is ok with the VKs being here.
Jack Heart is a free spirit. He does what he pleases as he pleases. He's pretty entropic in nature, but he is generally a good-natured softie. Just don't expect much as far as motivation; he does as he pleases.
The son of the Ice Titan, Cryos operates on his own agenda. While not good, he is not necessarily evil. Instead he does as his whims dictate, focusing more on his realm of ice and enjoying the prospect of the lovely new girls to enjoy in Auradon.
The resident ice titan imprisoned on the Isle. This is one chara who wants revenge on those that imprisoned him. Tired of being stuck on the Isle, he is just waiting for the opportunity to lash out and strike at the people of Auradon and plunge it into the next Ice Age.