Guests of Honour at this event have included television presenter Gay Byrne, retired Taoiseach Charles Haughey, international snooker player, Ken Doherty and chefs Clodagh McKenna, Richard Corrigan and Martin Shanahan.
Others included a penalty shootout with goalkeeper Shay Given at Newcastle United; taking on Ken Doherty in snooker; and, most recently, spending time with Aidan O'Brien, one of the world's most successful race horse trainers.
The day after his acquittal The Sun alleged that Hann had agreed to lose his opening match against Ken Doherty at the China Open in return for large amounts of money.
Ken Livingstone | Ken Burns | Pete Doherty | Ken Loach | Ken Russell | Ken Kesey | Ken Dodd | Ken Salazar | Ken Sugimori | Ken Saro-Wiwa | Ken Vandermark | Ken Dryden | Ken | Ken Rosewall | Ken Mandelbaum | Ken Dorsey | Ken Wilber | Ken Venturi | Ken Follett | Ken Berry | Ken Stringfellow | Ken Jennings | Ken Howard | Ken Campbell | Ken Arthurson | Ken Schaffer | Ken Patera | Ken Nordine | Ken Hirai | Ken Hendricks |
He was also a quarter-finalist on three occasions, beating Ken Doherty and Ronnie O'Sullivan in the 1996 and 1997 respectively at the Crucible.