Muggles beware - Lord Baldemort is back!
Prime Minister David Cameron used this name during Prime Minister's Questions on Wednesday to refer to Shadow Work and Pensions Secretary, Liam Byrne. It is not the first time he has been blessed with this nickname, a play on the Harry Potter villain Lord Voldemort.
Nicknames are often used by politicians in order to belittle their rivals, but often they can have the reverse effect - elevating an otherwise unknown figure, giving them a narrative that they can use to define their career. For example, some would suggest that "Baldemort" might give the impression that, like his fictional counterpart, Liam Byrne could be a figure of immense power.
Here are Huffington Post UK's favourite British political nicknames.