The official live mascot of Butler University is an English Bulldog named Blue, a beloved tradition that serves as the living embodiment of the university's athletic identity. Accompanied by handlers, successive generations of English Bulldogs named Blue have charmed fans at sporting events, campus gatherings, and community appearances. Additionally, the university utilizes a costumed mascot character named Butler Blue and a traditional anthropomorphic bulldog representation to pump up crowds and foster vibrant school spirit.