Swans fan in peace.
You have my sympathies. I wouldn't wish Russell Martin on Cardiff. Tactically insane, arrogant, thin skinned and utterly incapable of self reflection or accepting responsibility for anything. Easily the worst manager we've had in my lifetime, and we once appointed someone from Cradley Town youth team.
Expect him to fall out with several players, your defence to concede ludicrously poor goals as a result of avoidable errors, and to wonder why so many other players are playing out of position. He'll make you question your own sanity sometimes with just how ridiculous he is.