|Education and employment|
|Parents||Blossom Greenburg, Mary Greenburg|
|Hair color||Light Brown|
|Eye color||Dark Brown|
|Game||The Sims 4: Eco Lifestyle|
Knox is a young adult and is unemployed when you first load the game. He has appeared in all the expansion pack's trailers, as well as the pack's cover art.
According to his family biography, he is an eco lifestyle enthusiast and encourages Green endeavours around the neighborhood. That's why he dislikes Bess Sterling and Jules Rico, the couple of entrepreneurs living next door. Although the official gameplay trailer shows him being mean to Sims who disagree with him and the family biography states that he takes fighting against pollution too seriously, he doesn't have the Mean trait and has a relatively good personality.