Thad Castle is a fictional character from the television series Blue Mountain State, which aired from 2010 to 2011. He is portrayed as a charismatic and overconfident linebacker for the college football team at Blue Mountain State University. Thad is known for his larger-than-life personality, often engaging in wild antics and embodying the stereotypical college jock. In addition to his athletic prowess, Thad Castle is depicted as a leader among his teammates, often taking charge in various situations. His character serves as a comedic representation of college sports culture, highlighting themes of friendship, rivalry, and the challenges of balancing academics with athletics.