Which English accent is the hardest to understand for you?

Examples of different accents


Rab C Nesbitt (Scottish):

http://www.youtube.com/watch?v=qXk2ZsOlpTk&feature=related

^ I understood only about 20% of that.



Justin Wilson (Cajun):

http://www.youtube.com/watch?v=F41qBx5xSOc&feature=related