Heh. In my regular accent (American) I got 90% American (although, I got 99% American when I spoke normally and didn't purposefully enunciate). But my God-awful

Heh. In my regular accent (American) I got 90% American (although, I got 99% American when I spoke normally and didn't purposefully enunciate). But my God-awful British accent got 98% British. It picked up on the parts of the generic British accent (London accent?) that us Americans think about and exaggerate when mimicking a British accent—tall vowels, especially the "O"s and "A"s.