3. Taking The Mickey
In the Modern Who era we have the name of Rose Tyler's boyfriend, Mickey Smith. Poor Mickey, as any viewer of series one or early series two will attest, is repeatedly mocked, ridiculed, and teased, especially by the Doctor. In short they are definitely
taking the mickey out of Mickey. It might seem like an assumption to believe this is in fact an in-joke, until one hears just how often then showrunner Russell T. Davies uses the popular British English phase. While he does not confirm that this decision was entirely intentional, the humour is undeniable.