Sid Chang is the deuteragonist of The Casagrandes, introduced in The Loud House's fourth-season premiere, "Friended! with the Casagrandes". She is Ronnie Anne Santiago's best friend who lives in the apartment above the Casagrandes', along with her parents, Stanley and Becca, and her younger sister, Adelaide.
| "Gee, this is harder than I thought."|
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