This is a list of characters appearing in the television series That '70s Show and That '90s Show. Cast table Main characters Eric Forman Portrayed by Topher Grace: The protagonist; Eric is a nice guy, generally nerdy, clumsy, and accident-prone. He does, however, have a deadpan sense of humor that rivals that of his father, Red, and is far from afraid of asserting himself should he be pushed too far. Eric convinces his parents to let his best friend Steven Hyde move in with them, making Hyde like a brother. Red is always hard on him (as a way to toughen him to be a man). He is in a relationship with his longtime love and neighbor Donna Pinciotti. He decides to become a teacher after high school, and he leaves the series at the end of the seventh season to teach in Africa. Eric returns for the series finale, reuniting with Donna. In That 90's Show, it is revealed that Eric eventually married Donna and they had a daughter named Leia, named after Princess Leia. They moved to Chicago and became an adjunct professor at an unnamed university, teaching "the religion of Star Wars". Eric is based on the adolescence of show creator Mark Brazill. Donna Pinciotti Portrayed by Laura Prepon: Eric's longtime girlfriend (and briefly fiancée). Donna is intelligent, good-looking, and a feminist tomboy. Although she does not agree with what Jackie represents in the beginning of the series, they become friends. Donna is in a relationship with Eric for seven seasons (despite their break-up during season 4). She has brief romances with Michael's brother Casey and with Randy during the final season before rekindling her relationship with Eric at the end of the show's finale. In the time in between the finale of That 70's Show and That 90's Show, Donna and Eric married, moved to Chicago, and had a daughter together. She became a professional author. Steven Hyde Portrayed by Danny Masterson: Eric's best friend and the anti-establishment member of the group. By the end of season one, Kitty Forman prevails on her husband to allow Hyde to move in after he was abandoned by his mother (played by Katey Sagal) and living in squalor. Hyde is promoted to brother to Eric as soon as he moves in. Hyde has a witty, blunt, and sarcastic sense of humor, and a rebellious personality. He is also the