Flann O'Brien, the eminent writer (real name: Brian O'Nolan) and Tim Pat Coogan, the journalist and scholar, were students of the school. Alumni in the fine arts include designer Paul Costelloe, composer Michael McGlynn and visual artist Robert Ballagh. The Holy Ghost Order has a long tradition of missionaries. Frank Duff, founder of the Legion of Mary, is perhaps the best-known. Singer, songwriter, author and political activist Bob Geldof was also a student at the College. Eminent handbag designer Pauric Sweeney also calls Blackrock his alma mater. Radio and TV personality Ryan Tubridy attended the college. Singer-songwriter and producer Jonathon Ng (better known as EDEN) attended Blackrock, and in 2014 a video was posted on the college's YouTube account of Ng performing a song entitled "Amnesia".