Cardiffball is the capital of Walesball. He loves football (soccer) and rugby, and even can into hockey - his team is called the Cardiff Devils.
Cardiffball is also a huge sci-fi geek, he especially loves Doctor Who. According to lore, there is a time rift on his clay near the Millennium Centre at Roald Dahl Plass. Underneath the plaza was the Cardiff branch of Torchwood which was set up to monitor the rift's activity.