First, London based Matt Clark and Matt Everitt created this short, using dialogue from a Ricky Gervais Xfm radio show. This is one of a series of web shorts, which you can view here.
A short time later, a series of Irish Lotto ads began appearing on television. Brown Bag Animation in Dublin produced these.
Clark and Everitt believe they were ripped off. They’ve confronted Brown Bag about it. Everitt comments about it here and other blogs have written about it as well.