Cachou
Cadbury
Caesar
Cain and Abel
Calico
Callie
Calufrax
Calvi
Calvin & Hobbes
Camille
Candy
Candy and Sweetheart
Cappu (Short for Cappucino)
Cappucino
Captain
Captain Hook
Caramel
Carissa
Carmel
Carmen
Carpincho
Carys
Casey
Cash and Cheque
Caspe
Caspian
Cassiopeia
Castanjette "Tanja"
Castellan
Cat and Nip
Cecil
Cha-Cha
Chadwick
Chainsaw
Chance
Chandler
Charlemagne
Charles
Charlie
Charlotte
Charly
Charmin
Cheech
Cheeko & Charlie
Cheeks
Cheeky
Cheerio
Chelsea
Cherio
Chesher
Chester
Chesty
Chewbacca
Cheweey
Chewie
Chewy
Cheyanne
Chia
Chibi (means 'tiny' in Japanese)
Chibi and Dizzi
Chica
Chicago
Chico
Chili
China
Chino(Short for Cappucino)
Chino (means Chinese)
Chinook
Chip
Chip and Dale
Chip and Speedo
Chippy
Chips
Chiquita
Chiquita (Chucki)
Chitter
Chloe
Chocolate
Chomper
Chong
Christmas
Chu Chu
Chubby
Chuck
Chuckles
Chunky
Cigar
Cinnabar
Cinnamen
Cinnamon
Cirrus
Clare
Claud
Claw and Knuckles
Cleo
Cleopatra
Cletis
Clinger
Clinton
Cloe
Clotilda
Cloud
Clove
Clover
Clyde
Coco Cola
Coco
Cokes
Cokey (she's brown)
Colombo
Colonel
Colour Ball
Columbus
Combo
Comet
Conan
Conrad
Cookie
Cooper
Chu Chu
Corey
Cori
Corinne
Corky
Cornflake
Corrie
Cosmo
Cosmos
Cotton
Cottonball
Crackers
Craig and Ariana (the Spartans)
Crassus (Latin for chubby)
Cream and Creamy
Creamy
Creampuff
Creme-Puff
Cremes
Cricket
Crinkle
Critter & Twinkie
Crockett
Crunch
Crystal
Cubby
Cuddles
Cumulus
Cupcake
Cuppa (Short for Cappucino)
Curd
Curly
Custer
Cutie
Cyndy (Cinderelly)
Cyrus