Day 23 - Most annoying character
I am pretty sure we are meant to agree with Blackadder that Lord Flashheart is an arrogant git, but my dislike was such at first that I could barely watch him whenever he was on screen. (Nothing to do with Rik Mayall, it was purely the character.) It took some rewatching before I understood, and cracked up at, a rather crude joke of his and after that I couldn't not like him any more.
Other characters I have found annoying include: Daisy in Dead Like Me; Buster in Arrested Development; Lucy in Being Human; Alex in series 1 of Ashes to Ashes; and also somewhat in series 3, because she seems so taken with Jim Keats, whom any person in their right mind can see is an utter creep.
But the start of the third series of Mistresses has reminded me how much I want to slap Katie. She must certainly win first prize here, with Trudi from the same series coming in a close second.