The Casagrandes/Instances by character

Sid Chang is the main character in The Casagrandes and a minor character in The Loud House, who made her first appearance in "Friended! with the Casagrandes" and a main tritagonist in the Loud House spin-off The Casagrandes.

Sid is a new girl in Great Lakes City, who moved there with her family. She became friends with Ronnie Anne when she was trying everything new in the city. Later they became neighbors.

Croaked
Her biceps are briefly seen while she and Ronnie Anne are cosplaying as her sister's Great Aunt Milly.