Introvert and extravert. Introvert and extravert, basic personality types according to the theories of the 20th-century Swiss psychiatrist Carl Jung.
Charles Joseph Charlie McDermott is an American television and film actor, currently known for his role as Axl Heck on ABC's The Middle. Since 2004, he has worked on a wide range of television series, including The Office and Private Practice.
Charlie is Riley's friend and admirer. Charlie has a big crush on Riley, and despite being friends with Lucas, is jealous of the two. He is always looking for an opportunity to ask Riley out, and got his chance in Girl Meets Texas (Part 3).