The 'Mandela Effect' is a very real phenomena, and you have seen evidence of this conspiracy within your own life, amirite?

Common theories include: Berenstein vs Berenstain; Death of Nelson Mandela; Oscar Mayer vs Oscar Meyer; Sex IN the City vs Sex AND the City; Tip of Pikachu's tail; Curious George's tail; C3PO's full color; Fruit Loops vs Froot Loops; Looney Toons vs Looney Tunes and many more.