It's a-me, Mario! If Mario Bros is your favorite video game and you want to really show off your love for it this Halloween, then check out our Mario Bros Halloween costumes! If your role is playing the damsel in distress, then pick up a Princess Peach costume and beware of Bowser. If you want to be the plumber turned hero, then grab a Mario costume featuring classic round belly. Let your best friend or younger brother match you and stand as your sidekick in a Luigi costume in character green. Save the princess, search the sewers for power ups, and score extra points when you save Halloween in our Mario Bros costumes.