Not All Heroes Wear Capes

Jack (Séan) William McLoughlin, YouTuber by day, a superhero by night. His superhero name is SuperSam. He's basically like an Irish Batman. He doesn't really have superpowers but he has strength and his smarts and that's all you need, that's what he believes anyways. Only a few people know his secret, those people are Felix (PewDiePie) and Mark (Markiplier).
They know because they caught him red handed. Mark and Felix help him fight crime. One day Harley and her five year old sister, Melanie, were at the mall buying clothes when a robber came out and started shooting, he ends up taking the two of them hostage and its up to SuperSam to save the day once again. What if Harley ends up falling for this masked crusader?
What If his worst enemy Antiseptic learns his secret?

Authors note:
This is my first Jacksepticeye Fanfiction, I'm sorry if this sucks!