Riri Williams is a young, gifted African-American woman with a physical appearance consistent with that of actress Dominique Thorne, who portrays her in Black Panther: Wakanda Forever. She has a dark complexion, dark brown eyes, and dark hair. She is known for inventing a suit of armor inspired by Iron Man, which features a heart-shaped chest plate and a red and black color scheme.

Riri Williams is a genius inventor who is vulnerable and prideful, possessing a layered and charismatic person.