Genevieve Knight Hannelius, known professionally as G. Hannelius, is an American actress and singer who gained prominence for her role as Avery Jennings in the Disney Channel series Dog with a Blog. Born on December 22, 1998, in Boston, Massachusetts, she demonstrated an early interest in the performing arts, which propelled her into a successful career in entertainment.

Hannelius began her career in the industry at a young age, making her television debut with a guest appearance on the series The Search for Santa Paws. Her early work paved the way for more significant roles, and she quickly became a recognizable face in children's television. In 2012, she landed the role of Avery Jennings in Dog with a Blog, a show that would become a defining moment in her career. The series, which focused on a family that communicates with their pet dog through a blog, showcased her comedic timing and relatable character, earning her a dedicated fan base.

Apart from her acting endeavors, Hannelius is also a talented singer. She has released several singles and music videos, contributing to the pop genre. Her music career began to take shape alongside her acting, with her songs featuring themes of youth and empowerment. Hannelius's musical talents have been showcased through various platforms, allowing her to connect with her audience beyond her television roles.

In addition to Dog with a Blog, Hannelius has appeared in other notable projects such as Sonny with a Chance and All Night, further solidifying her status in the industry. Her work has not gone unnoticed, as she received nominations for various awards, highlighting her contributions to children's entertainment. Her ability to resonate with younger audiences has made her a significant figure in Disney's lineup of stars.

Currently, G. Hannelius continues to explore her passions in both acting and music. She remains active in the entertainment industry, frequently engaging with her fans on social media and participating in various projects that showcase her evolving artistry. Her journey from a young aspiring actress to a multifaceted entertainer exemplifies her dedication to her craft and her ability to adapt and grow in a competitive industry. As she moves forward, Hannelius's career remains one to watch, promising further contributions to the fields of acting and music.