It was in college that Kinney created a popular comic strip, Igdoof, which ran in the school student newspaper, The Diamondback.[4] Kinney graduated from the University of Maryland in 1993, originally majoring in computer science but switching to criminal justice in order to have more time to work on his comic.In January 1998, Kinney conceived the idea of a middle-school weakling named Greg Heffley, who writes illustrated stories about his personal life.In February 2006, during the New York Comic Con, Jeff signed a multi-book deal with publisher Harry N. Abrams, Inc., to turn Diary of a Wimpy Kid into a print series.When many online readers requested a printed version, Kinney agreed, and in April 2007, Diary of a Wimpy Kid was published.[14] Each stop featured a game show hosted by Kinney, where participants could win prizes on behalf of their local library.[15] Over 250 million copies of the Diary of a Wimpy Kid books have sold globally as of 2020[16] and the series was developed into feature films for which Kinney served as executive producer.[22] In June 2020 when Manny, a character he created in the Diary of a Wimpy Kid series, became an internet meme relating to the protests arising from the murder of George Floyd, Kinney expressed a distaste for the sensation, stating, "I don't like it.