Who killed X

A: Broken B: Breaks music theory C: Replaced by an unrelated letter D: Refuses to credit people E: Broken animation F: Profanity G: Broken H: Wrong Potion I: Stolen Blueprint J: Dynamic motion K: Wrong font L: Brakes music theory M: Bad art N: Too big O: Music too long P: Wrong Tone Q: Furry R: Bad Animation S: Wrong music and Breaks music theory T: Looks rainbow U: No music or sound V: Eplisy W: Too Loud X: Blood Y: Animation too slow Z: Polyester