Things You'll Need
Green suit and pants
Dyed green long johns
Sewing machine or needle/thread
Green bowler hat
Green face mask
Cane or wooden dowel
Red hair dye or wig
The Riddler is one of Batman's many enemies in the world of Batman and Robin. The Riddler makes for a lively Halloween costume, as he dresses head to toe in bright green. He enjoys stumping Batman with his riddles and causing trouble for The Dark Knight. This costume is fun for kids and adults and would work really well with a group of people dressed as Batman characters.
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Begin with a green base outfit. If you're fortunate enough to run across a green jacket at a thrift store, it's a great base for the outfit. You can pair it with green or black pants and start there. If you're at a loss for a suit, purchase some bright green fabric dye and plain white long johns or a sweatsuit. Follow the directions to make your suit green.
Cut question marks out of black felt and sew them all over your outfit. If you don't sew, use fabric glue to adhere them to your costume. Make a question mark template out of poster board or card stock to make it easier to make all the question marks the same size and shape. If you don't want to do this, you can draw question marks on to your costume with a permanent marker or fabric paint.
Add accessories. Purchase a green bowler hat from a party shop. They are typically found with the St. Patrick's Day decorations. Buy a green foam mask that covers only the eyes. Find a fake cane or make one by painting a wooden dowel black. Use spray-in red hair color or a red wig.
Practice some riddles and use them when you're out trick-or-treating or at parties to add to the effect of the outfit.