Which Scarlet has a celebrity crush on Rhys Priestland? Which Welsh international rugby player claims to be able to play the piano to Grade 8 standard?
Ahead of Judgement Day III on Saturday, Clwb Rygbi have been asking Scott Williams, Jake Ball and Rob McCusker how well they know their team-mates.
Scarlets face Dragons at the Millennium Stadium on Saturday, 25 April, in the second of two Judgement Day III encounters.
There is live coverage on Clwb Rygbi on S4C from 16:30 BST and online throughout the day.