Sadie is a minor character who appears in the episode "Lincoln Loud: Girl Guru".
Sadie first appears in "Lincoln Loud: Girl Guru", when Rusty asks her if she wants to go to the movies with him, while dressed up as a knight, and riding a horse. His attempt to ask her out goes awry when he loses control of White Lighting, and crashes, along with Sadie, after grabbing her hand. This results in both of them getting injured.
Sadie has long brunette hair and fair skin. She wears a pink turtleneck sweater, blue jeans, and white shoes.