The Alpha Werewolf

"You kill with it or it kills you."- Derek Hale to Scott McCall.

The chief antagonist, the "big bad", of MTV's Teen Wolf during the first season is a werewolf known simply as "The Alpha".

"The Alpha" is blamed for biting Scott McCall in Wolf Moon.

Derek Hale claims it is trying to build a pack of which Scott would apparently be the first member if he is willing to kill with "The Alpha". If not, Derek claims the larger werewolf will kill the boy.

According to Derek "The Alpha" is more powerful and dangerous than either he or Scott and has the power to mentally call to Scott.

After the events of Heart Monitor it appears Scott and "The Alpha" share some sort of low level telepathy or empathic connection.

"The Alpha" was kept mostly in shadow until Heart Monitor when it attacked Derek. It appears to be more than seven feet tall when standing on it's hind legs and almost completely wolf-like with glowing red eyes.

"The Alpha" is officially responsible for two deaths, the bus driver in Pack Mentality and the Video 2*C employee in The Tell.

He is supsected of killing Derek's sister Laura Hale but this was not shown as her death came before the events of the first episode.

He may have killed Derek during a bloody attack in Heart Monitor.