Patrick is the stepbrother of Sam and one of Charlie's best friends in The Perks of being a Wallflower.
Personality
A funny, caring, kind, silly and fierce senior, Patrick is a guy who knows how to humor a crowd yet still be loyal to those who accept him, like his stepsister and best friend, Sam and their friend, Charlie.
Relationships
Charlie
Charlie first met Patrick in Woodshop class. After mocking the teacher, who addresses him as "Nothing", he (Patrick) thanks Charlie for not calling him "Nothing" like everyone else. They met again at a football game, which happens to be the same place where Patrick learns Charlie's name and where Charlie meets Sam. After a while, at a house party, Charlie found out about Patrick and Brad dating, to which Patrick made Charlie promise not to disclose it to anyone. Even after a game of truth or dare that turns sour because Charlie chose to kiss Sam as "the prettiest girl in the room" rather than his then-girlfriend, Mary Elizabeth, Brad's father catches Brad and Patrick having sex, but he (Brad) lies that he was jumped and beaten up.
One day, during lunchtime, Brad calls Patrick a "faggot", leading Patrick to out him. When Brad's friends began beating Patrick, Charlie came to his rescue, saying to the thugs, "Touch my friends, and I'll blind you." Patrick express his gratitude to Charlie by taking him on a trip to Schenley park in his pickup truck, and the three become friends again.
Sam
Sam and Patrick are senior stepsiblings that are very close. There are 3 weeks between them, and he jokingly claims that she "ruined his life forever" after getting him "some good music". Sam and Patrick both care for each other like brother and sister, which leads Charlie to once mistaken them as a couple. Sam is a girl with great feelings for music also.
Brad
Patrick was romantically involved with Brad. When Brad's father caught them, he beat up his son for being romantically involved with a boy. Brad turns cold on Patrick, who refuses to acknowledge the breakup. He tries to converse with him at lunch, only to get rejected by Brad, called a faggot and punched by Brad's buddies; however, Patrick got saved, thanks to Charlie.