Craig Tucker is a member of the boys' fourth-grade class. Craig's most distinguishing physical feature is his blue chullo hat topped with a yellow puffball. One of his traits is his compulsive tendency to flip people off, usually for no discernible reason. He leads the group known as Craig's Gang. He is one of the two children (along with Tweek Tweak, his boyfriend) who are openly gay.

While eight years old in the first three seasons, he was nine years old by "Fourth Grade",