This is absolutely hilarious, and your voices are perfect!

Teeny-tiny Britpick: we don't call them purses. Purses are much smaller items, for putting money in.

I love the exchange between Rose and Rob, and the way that the Doctor defends his tendency to get snogged on a regular basis with "It’s not my fault you lot mistake every hint of friendliness for sexual advances." is so true to character that I can hear him saying it.

Love it! :)