Cookie & Milk Dough or Cookie and Milk, are main characters in the Gumball the Dog (series), both serve as major roles in the series as Coco's best friends. The two are twins who work together in most games.
Milk is a yellow anthropomorphic 8 year old labrador who has silky white hair and has chocolate brown eyes. Milk does not wear any clothes like most characters but is usually holding a teddy bear resembling Cookie, he also wears a pair of shoes that resemble cookies, similar to Cookie's shoes. Milk is always seen happy if he is with his twin sister but if she isn't there he tends to lose it.
Cookie Dough's Appearance
Cookie is a yellow anthropomorphic labrador who has long hair that is in two shades of brown, resembling chocolate chip cookies and she has deep chocolate eyes resembling Milk's. Cookie doesn't wear any clothes like her twin brother but she is always seen with a teddy bear resembling Milk, she also wears the same shoes that Milk has. Cookie sometimes has a bow in her hair occasionally too. Similar to Milk, Cookie is always seen happy if she is with her twin brother, but if she isn't near him, she tends to get angry or upset.
Milk & Cookie's Personality
The twins are generally happy 8 year olds. Although the duo are very hyperactive together and are always causing trouble and annoying everyone when something serious is happening, the two are generally quite friendly and love to play games, like most 8 year olds. They are innocent and fragile and usually need to be taken care of by the others. On the adventure they tend to get scared of the villains but always fight them and are good fighters.