From traditional Halloween costumes to other exciting creatures and characters, our boys Halloween costume ideas come in various styles - from morphsuits and two-piece suits to robes and costumes with 3D attachments. Get them ready to scare all at the Halloween party or the neighbours in our bestselling Slenderman or Cool Ghoul costumes. If he wants to, he can get into action in one of his favourite movie characters this Halloween too. How about becoming Gotham City’s nightmare in as The Joker or joining the dark side of the Force as Darth Vader? Perhaps he’ll enjoy saving the city from all the ghosts in a Ghostbuster Costume or causing wizardry mischief in a Harry Potter Costume with his magic wand to match! You’ll discover some more Halloween creatures here, like devils, skeletons, monsters, demons, and bats, and our terrifying Clown Morphsuit is a popular pick! We have some exciting Halloween costumes for boys that’ll make this Halloween the best one yet, especially with our Halloween Makeup and Face Paint to top it off. Pick a boys Halloween costume and order today for next day delivery!