Cleo

Cleo is Geppetto's pet goldfish in Disney's 1940 animated film, Pinocchio.

Pinocchio
Cleo is always seen in her fishbowl, often reacting or responding to a situation through silent smiles and water twirls. She appears of be very affectionate, specifically toward Geppetto and Figaro (who seems to hold a mild dislike toward her). When asked by Geppetto whether or not the name "Pinocchio" sounds any good for his latest puppet creation, Cleo shows her distaste, but the name goes through anyway. Later on, when Pinocchio is given life, he's sent off to school along with the other children. Excited to have a family, Geppetto sets up a delicious dinner, including a small piece of cake for Cleo. Unfortunately, Pinocchio doesn't return, resulting in Cleo, Geppetto, and Figaro heading out to find them. The trio ends up in the belly of Monstro the Whale, and eventually give up any hope of escape. As such, Cleo begins to build her own tombstones, knowing she'll perish, along with her loved ones, should they not escape or manage to eat. Surprisingly, Pinocchio arrives and concocts a way to free them. The plan succeeds, but results in Pinocchio's demise. Geppetto, Cleo, and the others return to their village home and mourn the death of the little wooden boy, only to find his act of bravery granted his revival (via the Blue Fairy). Once this realization dons upon Cleo and the others, a celebration is held.

Figaro and Cleo
Cleo played a role in the short under the care of a woman by the name of Aunt Delilah. Here, Figaro tries various methods of trying to get Cleo for his supper, only to be stopped by Delilah each time.

Cameos
In Fun and Fancy Free, Cleo appeared briefly, having an encounter with Jiminy, the film's host.

In the Aladdin television series, Cleo also made a cameo in an episode inside the whale with Figaro, while Genie looked like Geppetto.

Cleo makes a cameo in the DuckTales series being the Gyro Gearloose fish when using your watch to the time.

In Kingdom Hearts, Kingdom Hearts II and Kingdom Hearts 3D: Dream Drop Distance, Cleo is a background character who is often found alongside Geppetto.

Cleo also made occasional appearances in House of Mouse. In "The Mouse Who Came to Dinner", she makes a cameo sitting with Geppetto, Pinocchio, and Figaro clapping after the cartoon.

Cleo makes a cameo on the last page of issue #7 of the Darkwing Duck comic book, along with Sebastian and Dory, reacting in shock to the return of the monstrous Paddywhack.

Walt Disney Parks and Resorts
Cleo appears as an Audio-Animatronic on Pinocchio's Daring Journey who pops up and down from her fishbowl in Geppetto's bedroom located in the Pinocchio Village Workshop. She also appeared in the Walt Disney's Parade Of Dreams as an Audio-Animatronic who swims in circles inside her fishbowl on top of the Dreams Of Laughter parade float.