Chi Chi is a pale cream-colored goat whose appearance is very similar to Gumball's. He wears a light grayish-brown shirt with dark brown shorts, with red and white sneakers as footwear. He has two dark brown horns, a fluffy tail, and a tuft of hair on his head. He also has pink cheeks and an orange nose.
Chi Chi is portrayed as having the exact same personality as Gumball, with a tendency to repeat his words in the exact same way and with the same tonation (as he is a copycat).
- "The Copycats": His debut and first and only major role. He and his family copy everything their Watterson equivalents do.
- "Banana Joe" (referenced): His name is seen before the fail montage starts, being the uploader of said fail montage.
- Chi Chi's design is heavily based on that of Kiki/Miracle Star/Miao Le Xing's from Miracle Star, a Chinese knockoff of The Amazing World of Gumball, made to promote milk. In early TV guide summaries, the name Kiki was used to refer to Chi Chi as well.