What is Thomas Doherty's real accent?

This image appears in the gallery:
Thomas Doherty: 13 facts about the Gossip Girl actor you should know

1. 
2. 
3. 
4. 
5. 
6. 
7. 
8. 
9. 

10. 14 images

See the full gallery: Thomas Doherty: 13 facts about the Gossip Girl actor you should know