The end

So this is the last clue and the key to solve the puzzle:
The third letter of the puzzle is a "colorful button-shaped candies". If you solve this one yourself without internet's help you are the boss.

Now the key:
The first one is the start line.
The second is the second and you have to find the mistake;
The third is the first, and you got to look for the one that is left apart;
The fourth has the rules;
The fith is the last one and well that one was easy;
As for this one, it's the one missing.

It's a name, and he's the biggest fag in the world