Widely known as Mini Messi, he has gained popularity for his Mini Messi "Ciaran Duffy" Dublin - Ireland YouTube channel. He has gained widespread renown there for his trick shot and soccer-playing videos.
He co-created his YouTube channel alongside his parents on October 11, 2011.
He appeared in the McDonalds World Cup Go! Trick Shot commercial in 2014. He has played soccer in the Manchester United youth academy.
His YouTube channel has been run mainly by his parents.
On January 7, 2015, his parents posted a video of him meeting English soccer star Robbie Keane.
