This Super Mario Bros. t-shirt shows a large Boo ghost looking at silhouettes of Waluigi, Wario, and Bowser Jr.

Waluigi, Wario, and Bowser Jr. joined forces in hopes of finally overthrowing Mario's supreme reign as the video game king. They are evil characters who like to deliver tricks more than they like to receive treats on Halloween. They need to watched over carefully by the Boo ghosts.

Super Mario Bros. is one of the greatest video game franchises of all time, and everyone will know you are a fan when you wear this Halloween Boo Ghost And Silhouettes Super Mario Bros. T-Shirt!