"Cosmo and Wanda" are fictional characters from the animated television series The Fairly OddParents. They are fairy godparents who grant wishes to a young boy named Timmy Turner. Cosmo is known for his goofy personality, while Wanda is more responsible and often tries to keep Cosmo's wild ideas in check. The show explores the adventures and misadventures that arise from Timmy's wishes, often leading to humorous and chaotic situations. The characters are designed to entertain children and convey lessons about friendship, responsibility, and the consequences of one's actions.