Little Critter is a beloved character from a series of children's books created by author and illustrator Mercer Mayer. He is a small, anthropomorphic creature who often finds himself in relatable situations that teach valuable life lessons. The stories typically focus on themes such as friendship, family, and the challenges of growing up. The Little Critter books are known for their simple text and charming illustrations, making them accessible for young readers. The character's adventures often involve everyday activities, such as going to school, playing with friends, or helping at home, allowing children to connect with his experiences.