Ivy O'Brien is a fictional character from the American television series *Good Luck Charlie*, portrayed by actress Raven Goodwin. Her character is primarily developed within a school setting, where she emerges as a prominent figure on the North High School girls' basketball team. Her principal contributions include her essential athletic role on the team and her constant participation in social and school activities alongside the protagonist, Teddy Duncan, who is her best friend. Although she is not given any formal recognition or specific awards in the narrative, O'Brien is consistently appreciated for her athletic talent, her eccentric fashion style, and, above all, her unwavering loyalty. Her role is recognized as an essential support for the protagonist, solidifying her importance within the series' plot.