There's no such thing as unplayable champion.
At least when it comes to soloQ and normal games tho. I saw many fed champions like
or
that were complete monsters. I know some of them may not work well in LCS or maybe some of them do not fit the wast variety of team compositions that work well but that doesn't have to concern you if you are just a casual LoL player who plays SoloQ or Normals lol. Stop complining how some champions are weak..hell, they are not. Instead of WEAK I would rather use a term LESS FLEXIBLE.
should also be on the list but I had no time to list them all because I am on my work hahaha so I logged in here in SECRET. And yes,
or 