Dewey is a boyfriend of Dewey Largo.
He met Dewey Largo at Moe's and they were attracted to each other due to the fact that they are both named Dewey. Largo then quit his job at Springfield Elementary School to run away with Dewey and Calliope Juniper took his place as a music teacher. Dewey was also seen in the crowd of gays during Moe's speech. He was able to call clouds and started the rain. When Julio asked him how he did it, he replied: "Classical training."