Well, I meant any copyrighted character owned by a megacorporation known to sue first and ask later. But since this seems not to be a problem (I keep forgetting the US jas this fair-use clause - no such thing here) disregard the minefield part :)
Unless you want to make a literal minefield part of the drawing, might be fun.
This ? http://vidarlaw.com/wp-content/uploads/2015/05/monkey-selfie.jpg ? Well, I meant any copyri