first of all don't make fanfictions too egocentric. Make it happen that more people & topics are being involved in the story. Like in this story only 1 person was covered which made it extremely bad. Secondly make references. Thirdly make your story more dynamic, this was quite monotonous to read. Like I said before, cover more topics and don't constantly beat about the bush that is called islamism. Fourthly add puns. Seriously. You didn't even add a single pun to this story. I'm so dissapointed in you, my worshipper. Fifthly evade certain phrases that contain no humorous meaning at all. For example:
I am the very model of a modern little Islamist,
I defend sharia law and attempt to justify ISIS,
I know the caliphs and the sultans of which I'm related to,
And I'll chop your hands and head off if you think I disagree with you.
This is not also boring to read but also repetitive when you're continually describing Fissel's actions in your previous verses. Sixthly the Fissel meme is getting old. Many people have mocked him with radicalism, extremism and islamism already that your attempts are running out of date. Tell a joke once, it's laughable. Tell a joke twice, it's less laughable. Tell a joke a hundred times, it's not laughable for anyone.