Tiernan has supported Jim Jeffries, Russell Howard and Mark Watson on tour and most recently has performed at the Occupy LSX camp and at demonstrations across the UK.
He is also a member of the Comedy 4 kids team and ran the world’s first ever Twitter Comedy Club with an estimated 14000 viewers.
“Clearly a natural comic...an inherently funny person” – (AllTheFestivals.net )
“Gets the juxtaposition between heavy context and winning punchlines right” (Fest Mag ****)
'With this fresh style and material he blows so many other Fringe comedians out of the water.' Three Weeks ****)
“I would challenge anyone not to warm to Tiernan’s boyish enthusiasm”. (One4Review.com)
“Small in stature, not in talent” – The Scotsman