Stiles Stilinski, Slim, pale, with messy brown hair and expressive brown eyes. Usually dressed casually in hoodies, jackets, and jeans. Highly intelligent, sarcastic, funny, anxious, and incredibly loyal. Though fully human, his quick thinking often saves the group.

Theo Raeken, Tall and athletic with short dark brown hair, blue-green eyes, and sharp features. He usually wears dark, casual clothing and has a confident, calm demeanor. Clever, charismatic, and manipulative. Theo is ambitious and often puts his own goals first, but over time he becomes more loyal, protective, and willing to fight alongside his friends.

Isaac Lahey, Tall and lean with shaggy blond hair, blue eyes, and a relaxed, casual style. Quiet, kind, and loyal. Isaac is compassionate and protective, though his difficult past leaves him insecure at times. As he grows, he becomes more confident and courageous.

Brett Talbot, Tall and athletic with short dark hair, brown eyes, and a rugged, outdoorsy style. Calm, dependable, and protective. Brett is a loyal Beta werewolf who puts his sister and pack first and prefers avoiding unnecessary conflict.

Jordan Parrish, Tall, muscular, with short brown hair, blue eyes, and usually seen in his deputy sheriff's uniform. Brave, honorable, and compassionate. Jordan is calm under pressure and always tries to protect the people of Beacon Hills, even before learning he is a powerful Hellhound.

Scott McCall, Average height with an athletic build, tan skin, dark brown hair, and warm brown eyes that glow bright red when using his Alpha werewolf abilities. Kind, loyal, brave, and compassionate. Scott always tries to protect others and believes there is usually another way besides killing.

Derek Hale, Tall, muscular, with dark hair, green eyes, light stubble, and a serious expression. Quiet, protective, cautious, and often intimidating. Beneath his tough exterior, he deeply cares about those close to him.

Liam Dunbar, Shorter than Scott, athletic, with sandy brown hair and hazel eyes. Hot-headed, energetic, protective, and determined. He becomes Scott's first Beta werewolf.