What are some children's book characters that begin with q?

Some children's book characters that begin with the letter "Q" include Queen Elsa from "Frozen" (though primarily known from the film, she appears in various Children's Books), Quasimodo from adaptations of "The Hunchback of Notre Dame," and the quirky character Quacker from "Quacker's First Day of School." Additionally, the character Quiet Mouse from various children's stories encourages themes of shyness and friendship.