Lengkepan kalimah di handap ieu: O'Neill mangrupakeun veteran tina Edinburgh Fringe Festivals, sanggeus dipigawé nangtung-up atawa téater gigs aya pikeun leuwih ti dua puluh taun. Manéhna dicalonkeun pikeun 1994
Perrier Award kalayan acara "It's a Bit Like This", sarta meunang Fringe First di 1999 jeung Sean Hughes pikeun acara téater "Dehydrated and Travellin' Light". Sét téater kaasup 12 Angry Men, One Flew Over The Cuckoo's Nest jeung The Odd Couple. Stand-up kaasup "Off My Face" jeung "It Was Henry Fonda's Fault".