Markers on the Walls

Markers on the Walls

My little boy loves to draw & sometimes he draws on the walls. If it's crayon or pencil, no big deal. It comes off easily with a little elbow grease or the Magic Eraser. He woke up very early the other morning & got into his big brothers permanent markers. He drew all over his wall in a variety of colors. I've tried everything I can think of to get this off the white walls. Some of it has faded, but it's still there. I'm in a rental, so I can't just repaint the wall. Does anybody know of anything that would get the permanent marker off the walls? TIA!!
my apartment (north syracuse, ny)

my apartment (north syracuse, ny)

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First place of my own

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