Pierre Robert (radio personality)

William Pierre Robert (; August 1, 1955 – October 29, 2025) was an American radio disc jockey and on-air personality for WMMR in Philadelphia. He worked at the station for 44 years, from 1981 until his death in 2025. Robert was a prominent on-air personality at WMMR. Local audiences sometimes characterized his appearance and demeanor as countercultural. During broadcasts, he commonly addressed listeners as "citizens" and frequently used the phrase "great day in the morning!" as a recurring expression. Over the course of his career, Robert interviewed numerous figures in the American rock music industry. He was widely respected by rock musicians and bands, including Jon Bon Jovi, Dave Grohl, and Eddie Vedder. Several artists granted him infrequent interviews or made in-studio appearances on his program, reflecting his standing within the music community.