Genevieve Knight Hannelius[1] (born December 22, 1998)[1][2][3] is an American actress, singer, and YouTube personality who made her acting debut starring as Courtney Patterson on the ABC series Surviving Suburbia (2009).

She began acting portraying Courtney Patterson on the sitcom Surviving Suburbia, playing the daughter of Bob Saget's character.

[17] In 2012, Hannelius was cast as Avery Jennings on the Disney Channel series Dog with a Blog,[18] which premiered in October of that same year, and ran until 2015; on average, it attained millions of viewers per episode.

In 2017, Hannelius starred as Christina Carlyle in the Netflix mockumentary crime series American Vandal,[21] which received critical acclaim, and earned a Primetime Emmy Award nomination.

[26][27] Hannelius is an avid supporter of the anti-domestic violence charity organization A Window Between Worlds,[28] and has been hosting its annual fundraising event, "Art in the Afternoon", since 2013.