Theresa Allaway is a 14-year-old girl at Scott's high school who able to get around the shyness of Scott being a motherly figure to him as he teaches her how to play the violin. She seems to be infatuated with Scott; as a result, she can be jealous of other women in his life & actually sabotages his relation to Emma. Theresa happens to be one of the few people to know about Batholomew, & eventually Tatsulot, though she does not know that Scott is Vampire King, though by the last episode she does. She is also shown to be very adept at drumming.