Primus may refer to: Music, media and entertainment Primus (band), a musical group Primus (Transformers), an entity in the fictional Transformers universe Primus (journal), a quarterly journal of undergraduate mathematics education A television adventure series starring Robert Brown The main setting in the animated series The New Adventures of He-Man The leader of the Modron race in the Dungeons & Dragons universe. A character in the novel Stardust and its film adaptation Primus class ba… (More on Primus)