I made this yesterday. It's actually a Mcga meme...
At least he didn't make Magnus a legend of grunge music
Fan fact: When I was reading Sword of Summer I wasn't a Nirvana fan yet and I hadn't understood this point:
And I had forgot it. So, later while whatching a Nirvana video I thought "Omg Kurt Cobain looks like Magnus from the Magnus Chase series!" and then proceeded to search in Sword of Summer if I was right.