Sydney Bernice Sweeney (born September 12, 1997) is an American actress known for her roles in Everything Sucks!, Euphoria, The White Lotus, Christy, and Anyone but You.

Sydney voices herself in "Tall Stewie", where she falls for Brian due to his height, unaware that he's faking it with Uncle Sam stilts. After a night of clubbing, she and her model friend Odette invite Brian and Stewie to the beach for one final athletic test with the promise of hot tub sex, but end up dumping them after learning the truth. Sydney and Odette are quick to move on to another baby-dog duo donning fake muscles.

Odette is a model who falls for Stewie.

In "Tall Stewie", Odette is out for a run with her friend Sydney Sweeney, when they take notice of Brian and Stewie's height, unaware that they're faking it with stilts. Disgusted by short, bald men, she dances with Stewie on their first date at the club, before he and Brian are tasked with passing one final athletic test on the beach with the promise of hot tub sex. Odette and Sydney dump them after seeing the stilts, but are quick to move on to another dog-baby duo donning muscle suits.

Odette is voiced by Alana Haim.