The best place to hear Barry talk and get his opinions on everything you can think of is his Patreon. However here are some more official interviews:
The Examiner – Barry talks about what it’s like to be a stand up.
Spooky Isles – Barry talks about his favourite horror films and his experiences with the paranormal
Tantalising Tirades – BBD speaks about stand up including a time when he appeared on Luxmbourg TV
And here’s an older interview with Barry from The Journal